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71 vulnerabilities
CVE-2026-15308 (GCVE-0-2026-15308)
Vulnerability from cvelistv5 – Published: 2026-07-09 17:10 – Updated: 2026-07-09 19:32
VLAI
EPSS
VEX
Title
Incremental HTMLParser feed() allows CPU-exhaustion DoS via repeated unterminated markup declarations
Summary
The incremental HTML parser (html.parser.HTMLParser) allows for CPU
denial-of-service through repeated unterminated markup declarations when
processing uncontrolled data.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
8 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.15.0
(python)
|
Credits
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CVE-2026-4360 (GCVE-0-2026-4360)
Vulnerability from cvelistv5 – Published: 2026-06-30 14:45 – Updated: 2026-07-07 17:01
VLAI
EPSS
VEX
Title
Tarfile.extract() doesn't fully respect filter parameter
Summary
In the Tarfile.extract() function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract() function.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
8 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.15.0
(python)
|
Credits
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CVE-2026-11972 (GCVE-0-2026-11972)
Vulnerability from cvelistv5 – Published: 2026-06-23 22:02 – Updated: 2026-06-30 15:13
VLAI
EPSS
VEX
Title
tarfile opened in streaming mode mishandles EOF
Summary
When using the "tarfile" module with a file opened in "streaming mode" (mode="r|") the tarfile module did not properly handle EOF, making archive parsing take exponentially longer.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
9 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.15.0
(python)
|
Credits
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CVE-2026-0864 (GCVE-0-2026-0864)
Vulnerability from cvelistv5 – Published: 2026-06-23 17:42 – Updated: 2026-06-24 12:55
VLAI
EPSS
VEX
Title
Configuration Injection via Carriage Return (\r) in write() method
Summary
When using the "configparser" module to write configuration files
containing multi-line text values with carriage return characters (\r) the
resulting file could be injected with unexpected keys and values if the
attacker controls the written value.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.15.0
(python)
|
Credits
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CVE-2026-11940 (GCVE-0-2026-11940)
Vulnerability from cvelistv5 – Published: 2026-06-23 16:04 – Updated: 2026-06-30 15:13
VLAI
EPSS
VEX
Title
tarfile extraction filter bypass allows escaping the destination directory
Summary
tarfile.extractall() with the 'data' or 'tar'
filter could be bypassed by a crafted archive where a hardlink
references a symlink stored at a deeper name than the hardlink itself.
The extraction fallback validated the symlink at it's archived location
but recreated it at the hardlink's shallower
path, letting a relative
target the filter judged contained escape the destination directory.
This allowed a malicious tar archive to create a symlink pointing
outside the destination, enabling out-of-destination file reads or
writes. This was an incomplete fix of CVE-2025-4330.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
8 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.15.0
(python)
|
Credits
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CVE-2026-12003 (GCVE-0-2026-12003)
Vulnerability from cvelistv5 – Published: 2026-06-16 15:18 – Updated: 2026-06-23 17:55
VLAI
EPSS
VEX
Title
CPython >3.11 Insecure Input Validation resulting in privilege escalation
Summary
To allow builds of Python to be run from an in-tree layout (rather than
an installed file layout), the VPATH variable is defined at build time
and used to locate certain landmarks - specifically,
Modules/setup.local. When this landmark is found relative to VPATH
relative to the executable, Python assumes it is running in a source
tree and generates a different default sys.path. This code remains in
release builds, so that release-ready builds can be built in-tree.
On Windows, since builds are written to 'PCbuild/', the value of
VPATH is set to '..\..', which results in a landmark of
'..\..\Modules\setup.local'. This path is outside the install directory
of Python, and may have different permissions, potentially allowing a
low-privilege user to create the landmark and an alternative `Lib`
folder that will be discovered by an otherwise restricted install.
Such a setup occurs with the legacy default install location for all
users (in the now superseded EXE installer), due to how Windows allows
all users to create folders in the root directory of their OS drive.
Our recommended mitigation on Windows is to migrate away from the
legacy installer and use the new [Python install
manager](https://www.python.org/downloads/latest/pymanager/) to install
for the current user. Installs where the directory two levels above the
Python installation directory have equivalent permissions are unaffected
(in general, a per-user install cannot be modified at all by other
users, removing any escalation of privilege risk, and could be directly
modified by a privileged user, making the potential tampering
irrelevant). Alternative mitigations might include preemptively creating
and restricting access to a `Modules` directory. Be aware that only 3.13
and 3.14 will receive updated legacy installers - earlier fixes are only
provided as sources.
Platforms other than Windows allow VPATH to be overridden, but as they
don't usually use a separated directory in the build for binaries, are
unlikely to have a landmark reference outside of the install directory.
The landmark detection involving VPATH is a fallback for when a more
specific landmark - .\pybuilddir.txt - is absent, and was included for
compatibility. Future releases of Python will no longer include the
fallback, and so builds will need to generate or preserve the
pybuilddir.txt file in order to work in-tree. This landmark file has
been generated on Windows since 3.11, and on other platforms for longer.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
8 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.15.0b3
(python)
|
Credits
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CVE-2026-9669 (GCVE-0-2026-9669)
Vulnerability from cvelistv5 – Published: 2026-06-08 22:01 – Updated: 2026-07-07 16:59
VLAI
EPSS
VEX
Title
bz2.BZ2Decompressor reuse after error can cause a stack buffer overflow
Summary
bz2.BZ2Decompressor objects could be reused after a decompression error. If an application caught the resulting OSError and retried with the same decompressor, crafted input could cause the decompressor to resume from an invalid internal state and perform out-of-bounds writes to a stack buffer. This could crash the process when processing untrusted data.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
9 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.13.14
(python)
Affected: 3.14.0 , < 3.14.6 (python) Affected: 3.15.0a1 , < 3.15.0b3 (python) |
Credits
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CVE-2026-7774 (GCVE-0-2026-7774)
Vulnerability from cvelistv5 – Published: 2026-06-04 14:21 – Updated: 2026-07-07 16:59
VLAI
EPSS
VEX
Title
tarfile.data_filter path traversal bypass allows writing outside the extraction directory
Summary
tarfile.data_filter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall() to write files outside the destination directory, subject to the permissions of the extracting process.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
11 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.13.14
(python)
Affected: 3.14.0 , < 3.14.6 (python) Affected: 3.15.0a1 , < 3.15.0b2 (python) |
Credits
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CVE-2026-3276 (GCVE-0-2026-3276)
Vulnerability from cvelistv5 – Published: 2026-06-03 14:29 – Updated: 2026-06-16 14:54
VLAI
EPSS
VEX
Title
Potential DoS via quadratic complexity in unicodedata.normalize()
Summary
unicodedata.normalize() can take excessive CPU time when processing
specially crafted Unicode input containing long runs of combining characters
with alternating Canonical Combining Class values.
This affects all normalization forms.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
9 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.13.14
(python)
Affected: 3.14.0 , < 3.14.6 (python) Affected: 3.15.0a1 , < 3.15.0b2 (python) |
Credits
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CVE-2026-8643 (GCVE-0-2026-8643)
Vulnerability from cvelistv5 – Published: 2026-06-01 15:01 – Updated: 2026-07-08 12:05
VLAI
EPSS
VEX
Title
pip can extract console_scripts and gui_scripts outside installation directory
Summary
pip would treat console_scripts and gui_scripts as paths instead of file names without sanitizing the resolved absolute path to the installation directory, leading to entry points being installed outside the installation directory.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
31 references
Impacted products
31 products
| Vendor | Product | Version | |
|---|---|---|---|
| Python Packaging Authority | pip |
Affected:
24.0 , < 26.1.2
(python)
|
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 9) |
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Ansible Automation Platform 2.6 |
cpe:/a:redhat:ansible_automation_platform:2.6::el9 |
|
| Red Hat | Red Hat Discovery 2 |
cpe:/a:redhat:discovery:2::el9 |
|
| Red Hat | Red Hat Hardened Images |
cpe:/a:redhat:hummingbird:1 |
|
| Red Hat | Red Hat OpenShift AI 3.0 |
cpe:/a:redhat:openshift_ai:3.0::el9 |
|
| Red Hat | Red Hat OpenShift AI 3.2 |
cpe:/a:redhat:openshift_ai:3.2::el9 |
|
| Red Hat | Red Hat OpenShift AI 3.3 |
cpe:/a:redhat:openshift_ai:3.3::el9 |
|
| Red Hat | Red Hat OpenShift AI 3.4 |
cpe:/a:redhat:openshift_ai:3.4::el9 |
|
| Red Hat | Exploit Intelligence |
cpe:/a:redhat:exploit_intelligence:0 |
|
| Red Hat | Migration Toolkit for Applications 8 |
cpe:/a:redhat:migration_toolkit_applications:8 |
|
| Red Hat | Migration Toolkit for Virtualization |
cpe:/a:redhat:migration_toolkit_virtualization:2 |
|
| Red Hat | Pen Drive Powered by Red Hat Lightspeed |
cpe:/a:redhat:pdrive_lightspeed:0 |
|
| Red Hat | Red Hat AI Inference Server |
cpe:/a:redhat:ai_inference_server:3 |
|
| Red Hat | Red Hat Ansible Automation Platform 2 |
cpe:/a:redhat:ansible_automation_platform:2 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 |
cpe:/a:redhat:enterprise_linux_ai:3 |
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai |
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4 |
|
| Red Hat | Red Hat OpenShift Dev Spaces |
cpe:/a:redhat:openshift_devspaces:3 |
|
| Red Hat | Red Hat Satellite 6 |
cpe:/a:redhat:satellite:6 |
|
| Red Hat | Red Hat Trusted Artifact Signer |
cpe:/a:redhat:trusted_artifact_signer:1 |
|
| Red Hat | OpenShift Lightspeed |
cpe:/a:redhat:openshift_lightspeed |
|
| Red Hat | OpenShift Service Mesh 3 |
cpe:/a:redhat:service_mesh:3 |
|
| Red Hat | Red Hat Developer Hub |
cpe:/a:redhat:rhdh:1 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Quay 3 |
cpe:/a:redhat:quay:3 |
|
| Red Hat | Service Telemetry Framework 1.5 |
cpe:/a:redhat:stf:1.5 |
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CVE-2026-8328 (GCVE-0-2026-8328)
Vulnerability from cvelistv5 – Published: 2026-05-13 20:14 – Updated: 2026-06-30 15:09
VLAI
EPSS
VEX
Title
FTP PASV SSRF, ftpcp() does not use actual peer address, trusts server-supplied PASV host address
Summary
The ftpcp() function in Lib/ftplib.py was not updated when
CVE-2021-4189 was fixed. While makepasv() was patched to replace
server-supplied PASV host addresses with the actual peer address
(getpeername()[0]), ftpcp() still calls parse227() directly and passes
the raw attacker-controllable IP address and port to target.sendport(). This patch is related to CVE-2021-4189.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side request forgery (SSRF)
Assigner
References
10 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.13.14
(python)
Affected: 3.14.0 , < 3.14.6 (python) Affected: 3.15.0a1 , < 3.15.0b2 (python) |
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CVE-2026-7210 (GCVE-0-2026-7210)
Vulnerability from cvelistv5 – Published: 2026-05-11 17:19 – Updated: 2026-06-10 18:57
VLAI
EPSS
VEX
Title
The expat and elementtree parsers use insufficient entropy for XML hash-flooding protection
Summary
`xml.parsers.expat` and `xml.etree.ElementTree` use insufficient entropy for Expat hash-flooding protection, which allows a crafted XML document to trigger hash flooding.\r\n\r\nFully mitigating this vulnerability requires both updating libexpat to 2.8.0 or later and applying this patch.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-331 - Insufficient entropy
Assigner
References
9 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.13.14
(python)
Affected: 3.14.0 , < 3.14.6 (python) Affected: 3.15.0a1 , < 3.15.0b2 (python) |
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CVE-2026-3087 (GCVE-0-2026-3087)
Vulnerability from cvelistv5 – Published: 2026-04-27 20:46 – Updated: 2026-06-10 18:04
VLAI
EPSS
VEX
Title
shutil.unpack_archive() doesn't check for Windows absolute paths in ZIPs
Summary
If `shutil.unpack_archive()` is given a ZIP archive with an absolute Windows path containing a drive (`C:\\...`) then the archive will be extracted outside the target directory which is different than other operating systems. Only Windows is affected by this vulnerability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
11 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.13.14
(python)
Affected: 3.14.0a1 , < 3.14.5rc1 (python) Affected: 3.15.0a1 , < 3.15.0b1 (python) |
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CVE-2026-6357 (GCVE-0-2026-6357)
Vulnerability from cvelistv5 – Published: 2026-04-27 14:19 – Updated: 2026-04-27 22:17
VLAI
EPSS
VEX
Title
pip self-update functionality can import newly installed modules after wheel installation
Summary
pip prior to version 26.1 would run self-update check functionality after installing wheel files which required importing well-known Python modules names. These module imports were intentionally deferred to increase startup time of the pip CLI. The patch changes self-update functionality to run before wheels are installed to prevent newly-installed modules from being imported shortly after the installation of a wheel package. Users should still review package contents prior to installation.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-829 - Inclusion of Functionality from Untrusted Control Sphere
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Pip maintainers | pip |
Affected:
0 , < 26.1
(python)
|
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CVE-2026-6019 (GCVE-0-2026-6019)
Vulnerability from cvelistv5 – Published: 2026-04-22 19:28 – Updated: 2026-06-10 18:58
VLAI
EPSS
VEX
Title
BaseCookie.js_output() does not neutralize embedded characters
Summary
http.cookies.Morsel.js_output() returns an inline <script> snippet and only escapes " for JavaScript string context. It does not neutralize the HTML parser-sensitive sequence </script> inside the generated script element. Mitigation base64-encodes the cookie value to disallow escaping using cookie value.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-150 - Improper neutralization of escape, meta, or control sequences
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.13.14
(python)
Affected: 3.14.0a1 , < 3.14.5rc1 (python) Affected: 3.15.0a1 , < 3.15.0b1 (python) |
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CVE-2026-3298 (GCVE-0-2026-3298)
Vulnerability from cvelistv5 – Published: 2026-04-21 14:45 – Updated: 2026-06-10 18:05
VLAI
EPSS
VEX
Title
Out-of-bounds write in Windows asyncio.ProacterEventLoop.sock_recvfrom_into() when using nbytes
Summary
The method "sock_recvfrom_into()" of "asyncio.ProacterEventLoop" (Windows only) was missing a boundary check for the data buffer when using nbytes parameter. This allowed for an out-of-bounds buffer write if data was larger than the buffer size. Non-Windows platforms are not affected.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds write
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
3.11.0 , < 3.13.14
(python)
Affected: 3.14.0a1 , < 3.14.5rc1 (python) Affected: 3.15.0a1 , < 3.15.0b1 (python) |
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CVE-2026-3219 (GCVE-0-2026-3219)
Vulnerability from cvelistv5 – Published: 2026-04-20 14:55 – Updated: 2026-04-20 20:15
VLAI
EPSS
VEX
Title
pip doesn't reject concatenated ZIP and tar archives
Summary
pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a tar and ZIP file. This behavior could result in confusing installation behavior, such as installing "incorrect" files according to the filename of the archive. New behavior only proceeds with installation if the file identifies uniquely as a ZIP or tar archive, not as both.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Packaging Authority | pip |
Affected:
0 , < 26.1
(python)
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CVE-2026-5713 (GCVE-0-2026-5713)
Vulnerability from cvelistv5 – Published: 2026-04-14 15:11 – Updated: 2026-06-10 18:58
VLAI
EPSS
VEX
Title
Out-of-bounds read/write during remote profiling and asyncio process introspection when connecting to malicious target
Summary
The "profiling.sampling" module (Python 3.15+) and "asyncio introspection capabilities" (3.14+, "python -m asyncio ps" and "python -m asyncio pstree") features could be used to read and write addresses in a privileged process if that process connected to a malicious or "infected" Python process via the remote debugging feature. This vulnerability requires persistently and repeatedly connecting to the process to be exploited, even after the connecting process crashes with high likelihood due to ASLR.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
3.14.0 , < 3.14.5
(python)
Affected: 3.15.0a1 , < 3.15.0b1 (python) |
Credits
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CVE-2026-4786 (GCVE-0-2026-4786)
Vulnerability from cvelistv5 – Published: 2026-04-13 21:52 – Updated: 2026-07-06 12:05
VLAI
EPSS
VEX
Title
Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()
Summary
Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "webbrowser.open()" API could have commands injected into the underlying shell. See CVE-2026-4519 for details.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
57 references
Impacted products
48 products
Credits
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CVE-2026-6100 (GCVE-0-2026-6100)
Vulnerability from cvelistv5 – Published: 2026-04-13 17:15 – Updated: 2026-07-03 12:05
VLAI
EPSS
VEX
Title
Use-after-free in lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile after re-use under memory pressure
Summary
Use-after-free (UAF) was possible in the `lzma.LZMADecompressor`, `bz2.BZ2Decompressor`, and `gzip.GzipFile` when a memory allocation fails with a `MemoryError` and the decompression instance is re-used. This scenario can be triggered if the process is under memory pressure. The fix cleans up the dangling pointer in this specific error condition.
The vulnerability is only present if the program re-uses decompressor instances across multiple decompression calls even after a `MemoryError` is raised during decompression. Using the helper functions to one-shot decompress data such as `lzma.decompress()`, `bz2.decompress()`, `gzip.decompress()`, and `zlib.decompress()` are not affected as a new decompressor instance is used per call. If the decompressor instance is not re-used after an error condition, this usage is similarly not vulnerable.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
53 references
Impacted products
47 products
Credits
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CVE-2026-3446 (GCVE-0-2026-3446)
Vulnerability from cvelistv5 – Published: 2026-04-10 18:17 – Updated: 2026-04-13 16:07
VLAI
EPSS
VEX
Title
Base64 decoding stops at first padded quad by default
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.13.13
(python)
Affected: 3.14.0 , < 3.14.4 (python) Affected: 3.15.0a1 , < 3.15.0a8 (python) |
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CVE-2026-1502 (GCVE-0-2026-1502)
Vulnerability from cvelistv5 – Published: 2026-04-10 17:54 – Updated: 2026-06-30 15:12
VLAI
EPSS
VEX
Title
HTTP client proxy tunnel headers not validated for CR/LF
Summary
CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')
Assigner
References
10 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.13.14
(python)
Affected: 3.14.0a1 , < 3.14.5rc1 (python) Affected: 3.15.0a1 , < 3.15.0b1 (python) |
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CVE-2026-5271 (GCVE-0-2026-5271)
Vulnerability from cvelistv5 – Published: 2026-04-01 13:48 – Updated: 2026-04-01 23:12
VLAI
EPSS
VEX
Title
Possible to hijack modules in current working directory
Summary
pymanager included the current working directory in sys.path meaning modules could be shadowed by modules in the current working directory. As a result, if a user executes a pymanager-generated command (e.g., pip, pytest)
from an attacker-controlled directory, a malicious module in that
directory can be imported and executed instead of the intended package.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-427 - Uncontrolled Search Path Element
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | pymanager |
Affected:
26.0 , < 26.1
(python)
|
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CVE-2026-4519 (GCVE-0-2026-4519)
Vulnerability from cvelistv5 – Published: 2026-03-20 15:08 – Updated: 2026-06-30 12:10
VLAI
EPSS
VEX
Title
webbrowser.open() allows leading dashes in URLs
Summary
The webbrowser.open() API would accept leading dashes in the URL which
could be handled as command line options for certain web browsers. New
behavior rejects leading dashes. Users are recommended to sanitize URLs
prior to passing to webbrowser.open().
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
71 references
Impacted products
51 products
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CVE-2026-3479 (GCVE-0-2026-3479)
Vulnerability from cvelistv5 – Published: 2026-03-18 18:13 – Updated: 2026-04-07 22:01 Disputed
VLAI
EPSS
VEX
Title
pkgutil.get_data() does not enforce documented restrictions
Summary
DISPUTED: The project has clarified that the documentation was incorrect, and that pkgutil.get_data() has the same security model as open(). The documentation has been updated to clarify this point. There is no vulnerability in the function if following the intended security model.
pkgutil.get_data() did not validate the resource argument as documented, allowing path traversals.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.13.13
(python)
Affected: 3.14.0 , < 3.14.4 (python) Affected: 3.15.0a1 , < 3.15.0a8 (python) |
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CVE-2026-4224 (GCVE-0-2026-4224)
Vulnerability from cvelistv5 – Published: 2026-03-16 17:52 – Updated: 2026-04-08 12:55
VLAI
EPSS
VEX
Title
Stack overflow parsing XML with deeply nested DTD content models
Summary
When an Expat parser with a registered ElementDeclHandler parses an inline
document type definition containing a deeply nested content model a C stack
overflow occurs.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
9 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.13.13
(python)
Affected: 3.14.0 , < 3.14.4 (python) Affected: 3.15.0a1 , < 3.15.0a8 (python) |
Credits
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CVE-2026-3644 (GCVE-0-2026-3644)
Vulnerability from cvelistv5 – Published: 2026-03-16 17:37 – Updated: 2026-06-30 15:11
VLAI
EPSS
VEX
Title
Incomplete control character validation in http.cookies
Summary
The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The Morsel.update(), |= operator, and unpickling paths were not patched, allowing control characters to bypass input validation. Additionally, BaseCookie.js_output() lacked the output validation applied to BaseCookie.output().
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
8 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.13.13
(python)
Affected: 3.14.0 , < 3.14.4 (python) Affected: 3.15.0a1 , < 3.15.0a8 (python) |
Credits
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CVE-2025-13462 (GCVE-0-2025-13462)
Vulnerability from cvelistv5 – Published: 2026-03-12 17:59 – Updated: 2026-06-04 14:02
VLAI
EPSS
VEX
Title
tarfile: Skip DIRTYPE normalization during GNU LONGNAME/LONGLINK handling
Summary
The "tarfile" module would still apply normalization of AREGTYPE (\x00) blocks to DIRTYPE, even while processing a multi-block member such as GNUTYPE_LONGNAME or GNUTYPE_LONGLINK. This could result in a crafted tar archive being misinterpreted by the tarfile module compared to other implementations.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
9 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.13.13
(python)
Affected: 3.14.0 , < 3.14.4 (python) Affected: 3.15.0a1 , < 3.15.0a8 (python) |
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CVE-2026-2297 (GCVE-0-2026-2297)
Vulnerability from cvelistv5 – Published: 2026-03-04 22:10 – Updated: 2026-05-01 15:13
VLAI
EPSS
VEX
Title
SourcelessFileLoader does not use io.open_code()
Summary
The import hook in CPython that handles legacy *.pyc files (SourcelessFileLoader) is incorrectly handled in FileLoader (a base class) and so does not use io.open_code() to read the .pyc files. sys.audit handlers for this audit event therefore do not fire.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-668 - Exposure of Resource to Wrong Sphere
Assigner
References
8 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.13.13
(python)
Affected: 3.14.0 , < 3.14.4 (python) Affected: 3.15.0a1 , < 3.15.0a7 (python) |
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CVE-2026-1703 (GCVE-0-2026-1703)
Vulnerability from cvelistv5 – Published: 2026-02-02 14:43 – Updated: 2026-02-02 17:21
VLAI
EPSS
VEX
Title
Limited path traversal when installing wheel archives
Summary
When pip is installing and extracting a maliciously crafted wheel archive, files may be extracted outside the installation directory. The path traversal is limited to prefixes of the installation directory, thus isn't able to inject or overwrite executable files in typical situations.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/pypa/pip/pull/13777 | patch |
| https://github.com/pypa/pip/commit/8e227a9be4faa9… | patch |
| https://mail.python.org/archives/list/security-an… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Packaging Authority | pip |
Affected:
0 , < 26.0
(python)
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