Common Weakness Enumeration

CWE-23

Allowed

Relative Path Traversal

Abstraction: Base · Status: Draft

The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory.

931 vulnerabilities reference this CWE, most recent first.

CVE-2026-8209 (GCVE-0-2026-8209)

Vulnerability from cvelistv5 – Published: 2026-05-09 03:19 – Updated: 2026-05-11 17:45
VLAI
Summary
Gibbon versions before v30.0.01 are affected by a path traversal vulnerability resulting in DOS by attempting extraction of web application PHP files, failed .zip extraction results in deletion of the file and a DOS condition. Successful exploitation requires Teacher or higher privileges. Exploitation could result in loss of availability of the web application.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-11 17:45 UTC
CWE
  • CWE-23 - Relative path traversal
Assigner
PRJBLK CNA under the mitre root
CNA scorecard – unranked: 9 records in the last 180 days, 10 needed details
Impacted products
Vendor Product Version
gibbonedu gibbon Affected: 0 , < 30.0.01 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-8134 (GCVE-0-2026-8134)

Vulnerability from cvelistv5 – Published: 2026-05-21 20:13 – Updated: 2026-05-22 12:15
VLAI
Title
Concrete CMS 9.5.0 and below is vulnerable to Authenticated RCE via Composer customTemplate Path Traversal leading to PHP File Inclusion
Summary
Concrete CMS 9.5.0 and below fails to sanitize path traversal sequences in the ptComposerFormLayoutSetControlCustomTemplate field when saving page type composer form layouts. An authenticated rogue administrator with composer form editing rights can exploit this to include arbitrary readable files on the server. Combined with the file uploader's extension-only validation (which permits PHP code in files saved with image extensions like .png), this can result in authenticated remote code execution. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 9.4 with vector CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H   Thanks Yonatan Drori (Tenzai) for reporting.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-22 12:15 UTC
CWE
  • CWE-98 - Improper control of filename for Include/Require statement in PHP program ('PHP remote file inclusion')
  • CWE-434 - Unrestricted upload of file with dangerous type
  • CWE-23 - Relative path traversal
Assigner
ConcreteCMS CNA under the mitre root
CNA scorecard B 84/100 over 111 records in the last 180 days details
References
Impacted products
Vendor Product Version
Concrete CMS Concrete CMS Affected: 5.0 , ≤ 9.5.0 (git)
Create a notification for this product.
Show details on NVD website

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CVE-2026-8100 (GCVE-0-2026-8100)

Vulnerability from cvelistv5 – Published: 2026-06-18 21:18 – Updated: 2026-06-22 18:11
VLAI
Summary
Impact A security issue has been identified in Chef 360 that could allow unauthorized access to protected API endpoints under specific conditions. This issue is due to improper handling of URL-encoded paths during request processing. In certain scenarios, an authenticated request may bypass standard access controls gaining additional privileges, potentially allowing access to API endpoints that are intended to be restricted to higher-permissioned roles. The impact is limited to environments where the affected request patterns can be triggered and depends on specific deployment configuration and access controls in place. Resolution The issue has been addressed through product updates that improve request validation and enforce strict path normalization before authorization checks.  Customers are advised to update to the latest available version containing the fix, version 1.7.1 or later.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-22 18:11 UTC
CWE
  • CWE-23 - Relative path traversal
Assigner
ProgressSoftware CNA under the mitre root
CNA scorecard B 78/100 over 143 records in the last 180 days details
References
Impacted products
Vendor Product Version
Progress Chef Chef360 Affected: 0 , < 1.7.1 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-8073 (GCVE-0-2026-8073)

Vulnerability from cvelistv5 – Published: 2026-05-19 18:33 – Updated: 2026-05-19 20:01
VLAI
Title
Kirki <= 6.0.6 - Unauthenticated Limited Arbitrary File Read and Deletion via downloadZIP
Summary
The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation and missing capability check in the 'downloadZIP' function in all versions up to, and including, 6.0.6. This makes it possible for unauthenticated attackers to read and delete arbitrary files limited in the WordPress uploads base directory.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-19 19:59 UTC
CWE
  • CWE-23 - Relative Path Traversal
Assigner
Wordfence CNA under the mitre root
CNA scorecard C 65/100 over 2310 records in the last 180 days details
Impacted products
Show details on NVD website

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CVE-2026-8066 (GCVE-0-2026-8066)

Vulnerability from cvelistv5 – Published: 2026-09-29 09:24 – Updated: 2026-09-29 15:52
VLAI
Summary
A directory traversal vulnerability in the file upload functionality of Hitachi Energy RTU500 end-of-life versions allows an unauthenticated attacker to write or overwrite arbitrary files on the device file system. Depending on the files affected, successful exploitation could result in unauthorized modification of device data or disruption of the device’s intended operation.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 15:52 UTC
CWE
  • CWE-23 - Relative path traversal
Assigner
CNA scorecard C 68/100 over 12 records in the last 180 days details
Impacted products
Vendor Product Version
Hitachi Energy RTU500 series CMU firmware Affected: 9.0 , < 12.0 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-8023 (GCVE-0-2026-8023)

Vulnerability from cvelistv5 – Published: 2026-06-29 22:15 – Updated: 2026-10-15 22:10
VLAI
Title
Path traversal in Zephyr HTTP server static-filesystem resource handler allows unauthenticated remote arbitrary file read
Summary
Zephyr's HTTP server (subsys/net/lib/http) provides a static-filesystem resource type (HTTP_RESOURCE_TYPE_STATIC_FS, available when CONFIG_FILE_SYSTEM is enabled) that serves files from a configured root directory. Before this fix, both the HTTP/1 and HTTP/2 front-ends placed the raw, attacker-controlled request path into client->url_buffer (assembled in on_url() for HTTP/1 and copied verbatim from the :path pseudo-header for HTTP/2) without resolving ./.. segments. The static-FS handler then built the on-disk filename by directly concatenating the configured root with that raw URL (snprintk(fname, ..., "%s%s", static_fs_detail->fs_path, client->url_buffer) at http_server_http1.c:603 and http_server_http2.c:490) and opened it with fs_open(fname, FS_O_READ). Because the handler is reached via wildcard/leading-dir (fnmatch FNM_LEADING_DIR) or fallback resource matching, a request such as GET /<prefix>/../../<file> is dispatched to the handler and, after the underlying filesystem (e.g. LittleFS/FAT) resolves the .. segments, escapes the configured web root, letting an unauthenticated remote client read arbitrary readable files on the mounted volume (information disclosure). The HTTP server requires no TLS or authentication to reach this path. The fix adds http_server_remove_dot_segments(), which canonicalizes the path portion of the URL before resource lookup in both protocol handlers, neutralizing the traversal. Affects releases v4.0.0 through v4.4.0 for deployments that register a static-filesystem resource.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-30 13:11 UTC
CWE
Assigner
zephyr CNA under the mitre root
CNA scorecard B 77/100 over 175 records in the last 180 days details
Impacted products
Vendor Product Version
zephyrproject zephyr Affected: 4.0.0 , < 4.3.1 (semver)
Affected: 4.4.0 , < 4.4.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-7404 (GCVE-0-2026-7404)

Vulnerability from cvelistv5 – Published: 2026-04-29 20:15 – Updated: 2026-04-30 12:24
VLAI
Title
getsimpletool mcpo-simple-server base_manager.py delete_shared_prompt path traversal
Summary
A weakness has been identified in getsimpletool mcpo-simple-server up to 0.2.0. Affected is the function delete_shared_prompt of the file src/mcpo_simple_server/services/prompt_manager/base_manager.py. This manipulation of the argument detail causes relative path traversal. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-30 12:24 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3807 records in the last 180 days details
References
Impacted products
Vendor Product Version
getsimpletool mcpo-simple-server Affected: 0.1
Affected: 0.2.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-6540 (GCVE-0-2026-6540)

Vulnerability from cvelistv5 – Published: 2026-07-30 14:45 – Updated: 2026-07-30 16:12
VLAI
Title
L7 policy bypass via unnormalized HTTP path matching
Summary
Calico's Application Layer Policy (disabled by default), which enforces HTTP rules through Dikastes, fails to perform URL path normalization. As a result, HTTP requests using path-traversal segments, encoded slashes, or repeated slashes are not correctly evaluated by Prefix path rules. Dikastes authorizes the request under the permitted prefix while the downstream workload or a fronting proxy normalizes the path and serves the restricted endpoint. An attacker with network access and no special RBAC can potentially reach HTTP endpoints the policy was intended to restrict.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-30 16:12 UTC
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-23 - Relative Path Traversal
Assigner
Tigera CNA under the mitre root
CNA scorecard – unranked: 6 records in the last 180 days, 10 needed details
Impacted products
Vendor Product Version
Tigera Calico Affected: 0 , < 3.31.6 (semver)
Create a notification for this product.
Tigera Calico Enterprise Affected: 0 , < 3.21.7 (semver)
Affected: 3.22.0 , < 3.22.4 (semver)
Create a notification for this product.
Tigera Calico Cloud Affected: 0 , < 22.4.0 (semver)
Create a notification for this product.
Date Public
2026-07-30 16:00
Show details on NVD website

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CVE-2026-5966 (GCVE-0-2026-5966)

Vulnerability from cvelistv5 – Published: 2026-04-20 07:40 – Updated: 2026-04-20 13:30
VLAI
Title
TeamT5|ThreatSonar Anti-Ransomware - Arbitrary File Deletion
Summary
ThreatSonar Anti-Ransomware developed by TeamT5 has an Arbitrary File Deletion vulnerability. Authenticated remote attackers with web access can exploit Path Traversal to delete arbitrary files on the system.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-20 13:30 UTC
CWE
  • CWE-23 - Relative path traversal
Assigner
twcert CNA under the mitre root
CNA scorecard B 81/100 over 95 records in the last 180 days details
References
Impacted products
Vendor Product Version
TeamT5 ThreatSonar Anti-Ransomware Affected: 0 , ≤ 4.0.0 (custom)
Create a notification for this product.
Date Public
2026-04-20 07:37
Show details on NVD website

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CVE-2026-5422 (GCVE-0-2026-5422)

Vulnerability from cvelistv5 – Published: 2026-06-02 09:11 – Updated: 2026-06-02 12:14
VLAI
Title
Path Traversal in jupyter/jupyter
Summary
A path traversal vulnerability exists in jupyter-server version 2.17.0 due to an incorrect root directory boundary check in the _get_os_path() function within jupyter_server/services/contents/fileio.py. The check uses startswith(root) without appending a trailing path separator, allowing sibling directories with names starting with the same prefix as root_dir to bypass the check. Additionally, the to_os_path() function in utils.py does not strip ".." from path parts, enabling traversal sequences to bypass the vulnerable check. This vulnerability can lead to unauthorized read/write access to files in sibling directories, potentially exposing sensitive data in shared hosting environments.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-02 12:13 UTC
CWE
  • CWE-23 - Relative Path Traversal
Assigner
@huntr_ai CNA under the mitre root
CNA scorecard C 65/100 over 41 records in the last 180 days details
Impacted products
Vendor Product Version
jupyter jupyter/jupyter Affected: unspecified , ≤ latest (custom)
Create a notification for this product.
Show details on NVD website

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Mitigation MIT-5.1
Implementation

Strategy: Input Validation

  • Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
  • When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
  • Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
  • When validating filenames, use stringent allowlists that limit the character set to be used. If feasible, only allow a single "." character in the filename to avoid weaknesses such as CWE-23, and exclude directory separators such as "/" to avoid CWE-36. Use a list of allowable file extensions, which will help to avoid CWE-434.
  • Do not rely exclusively on a filtering mechanism that removes potentially dangerous characters. This is equivalent to a denylist, which may be incomplete (CWE-184). For example, filtering "/" is insufficient protection if the filesystem also supports the use of "\" as a directory separator. Another possible error could occur when the filtering is applied in a way that still produces dangerous data (CWE-182). For example, if "../" sequences are removed from the ".../...//" string in a sequential fashion, two instances of "../" would be removed from the original string, but the remaining characters would still form the "../" string.
Mitigation MIT-20.1
Implementation

Strategy: Input Validation

  • Inputs should be decoded and canonicalized to the application's current internal representation before being validated (CWE-180). Make sure that the application does not decode the same input twice (CWE-174). Such errors could be used to bypass allowlist validation schemes by introducing dangerous inputs after they have been checked.
  • Use a built-in path canonicalization function (such as realpath() in C) that produces the canonical version of the pathname, which effectively removes ".." sequences and symbolic links (CWE-23, CWE-59). This includes:
  • realpath() in C
  • getCanonicalPath() in Java
  • GetFullPath() in ASP.NET
  • realpath() or abs_path() in Perl
  • realpath() in PHP
Mitigation MIT-29
Operation

Strategy: Firewall

Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].

CAPEC-139: Relative Path Traversal

An attacker exploits a weakness in input validation on the target by supplying a specially constructed path utilizing dot and slash characters for the purpose of obtaining access to arbitrary files or resources. An attacker modifies a known path on the target in order to reach material that is not available through intended channels. These attacks normally involve adding additional path separators (/ or \) and/or dots (.), or encodings thereof, in various combinations in order to reach parent directories or entirely separate trees of the target's directory structure.

CAPEC-76: Manipulating Web Input to File System Calls

An attacker manipulates inputs to the target software which the target software passes to file system calls in the OS. The goal is to gain access to, and perhaps modify, areas of the file system that the target software did not intend to be accessible.