Common Weakness Enumeration
CWE-1284
AllowedImproper Validation of Specified Quantity in Input
Abstraction: Base · Status: Incomplete
The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.
549 vulnerabilities reference this CWE, most recent first.
CVE-2026-54234 (GCVE-0-2026-54234)
Vulnerability from cvelistv5 – Published: 2026-07-06 19:49 – Updated: 2026-07-07 14:13
VLAI
EPSS
VEX
Title
vLLM: Remote DoS in vLLM via Invalid Recovered Token Reinjection
Summary
vLLM is a high-throughput and memory-efficient inference and serving engine for LLMs. Prior to 0.24.0, a frontend-legal multi-request speculative decoding workload can cause the rejection sampler to produce a recovered token equal to the model vocabulary size boundary value, which is then converted to negative one when the engine selects the next live token for a request and is written back into the drafter's input ids; that out-of-vocabulary value is later consumed by the model's embedding and attention path and crashes the engine worker with a GPU device-side assertion. The same triggering request sequence is reachable through the public gRPC Generate and Abort endpoints, so a remote client that can send generation requests can crash the shared engine worker, aborting concurrent requests and causing a service-wide denial of service for other clients of the deployment until the worker is restarted. This issue is fixed in version 0.24.0.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-07 14:12 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/vllm-project/vllm/security/adv… | x_refsource_CONFIRM |
| https://github.com/vllm-project/vllm/pull/44744 | x_refsource_MISC |
| https://github.com/vllm-project/vllm/commit/8a5cf… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| vllm-project | vllm |
Affected:
< 0.24.0
|
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CVE-2026-54092 (GCVE-0-2026-54092)
Vulnerability from cvelistv5 – Published: 2026-06-25 17:41 – Updated: 2026-06-26 02:13
VLAI
EPSS
VEX
Title
File Browser: DoS Vulnerability on Public Login API
Summary
File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.6, unchecked passwords maximums allow for an arbitrarily large password to be passed into the login API. This spikes CPU and memory, and after testing, crashes, heavily lags any container created, and has even made my docker daemon start to send errors with status code 500 even after the container was destroyed. This vulnerability is fixed in 2.63.6.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-26 02:13 UTC
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | x_refsource_CONFIRM |
| https://github.com/filebrowser/filebrowser/commit… | x_refsource_MISC |
| https://github.com/filebrowser/filebrowser/releas… | x_refsource_MISC |
| https://vincent.vulcoord.net/score/?state=Not+Sco… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
< 2.63.6
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CVE-2026-53794 (GCVE-0-2026-53794)
Vulnerability from cvelistv5 – Published: 2026-08-13 14:39 – Updated: 2026-08-14 16:50
VLAI
EPSS
VEX
Title
rsync < 3.5.0 Denial of Service via --max-alloc=0 Logic Error
Summary
rsync before 3.5.0 contains a logic error in --max-alloc handling that allows a sender or configuration setting --max-alloc=0 to disable allocation sanity checks entirely rather than enforcing a zero-byte cap. Attackers can exploit this flaw to cause the receiver to attempt unbounded memory allocations for file list and data structures, potentially exhausting available memory and causing a denial of service.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 15:34 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/RsyncProject/rsync/security/ad… | vendor-advisory |
| https://github.com/RsyncProject/rsync/releases/ta… | release-notes |
| https://www.vulncheck.com/advisories/rsync-denial… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| RsyncProject | rsync |
Affected:
0 , ≤ 3.4.4
(semver)
Unaffected: 3.5.0 (semver) cpe:2.3:a:samba:rsync:*:*:*:*:*:*:*:* |
Date Public
2026-08-12 00:00
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CVE-2026-53689 (GCVE-0-2026-53689)
Vulnerability from cvelistv5 – Published: 2026-06-10 13:44 – Updated: 2026-07-19 08:47
VLAI
EPSS
VEX
Summary
libnfs through 6.0.2 before 55c18ea does not validate a string size, leading to an integer overflow during a connection to a crafted NFS server. This occurs in libnfs_zdr_string in lib/libnfs-zdr.c.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 16:01 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
Impacted products
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CVE-2026-53587 (GCVE-0-2026-53587)
Vulnerability from cvelistv5 – Published: 2026-08-20 18:36 – Updated: 2026-08-20 19:18
VLAI
EPSS
VEX
Title
libgit2 - Unauthenticated network-reachable heap out-of-bounds read in transports/smart_pkt.c:set_data
Summary
libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, libgit2 performs a fixed-size strncmp in set_data in src/libgit2/transports/smart_pkt.c without first verifying that the smart-protocol pkt-line capability buffer contains 14 bytes. A malicious Git server can make bytes after the pkt-line complete object-format=, causing format_str to advance beyond the pkt-line and the following memchr length calculation to underflow. The resulting heap out-of-bounds walk can crash a client during the first refs-advertisement packet over HTTP, HTTPS, SSH, or the Git protocol. This issue is fixed in versions 1.8.6 and 1.9.5.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 19:18 UTC
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/libgit2/libgit2/security/advis… | x_refsource_CONFIRM |
| https://github.com/libgit2/libgit2/commit/2c0ce8c… | x_refsource_MISC |
| https://github.com/libgit2/libgit2/commit/affda60… | x_refsource_MISC |
| https://github.com/libgit2/libgit2/commit/d7a9fb8… | x_refsource_MISC |
| https://github.com/libgit2/libgit2/releases/tag/v1.8.6 | x_refsource_MISC |
| https://github.com/libgit2/libgit2/releases/tag/v1.9.5 | x_refsource_MISC |
Impacted products
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CVE-2026-53540 (GCVE-0-2026-53540)
Vulnerability from cvelistv5 – Published: 2026-06-22 16:58 – Updated: 2026-06-22 17:21
VLAI
EPSS
VEX
Title
Python-Multipart: Negative Content-Length in parse_form buffers the entire body in memory
Summary
Python-Multipart is a streaming multipart parser for Python. Prior to 0.0.31, parse_form() did not validate the Content-Length header before using it to bound its chunked read of the request body. A negative Content-Length turned the bounded read into a read-until-EOF, so the entire body was loaded into memory in a single read instead of in fixed-size chunks. This vulnerability is fixed in 0.0.31.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-22 17:21 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Kludex/python-multipart/securi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kludex | python-multipart |
Affected:
< 0.0.31
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CVE-2026-49777 (GCVE-0-2026-49777)
Vulnerability from cvelistv5 – Published: 2026-06-05 08:59 – Updated: 2026-06-08 16:18
VLAI
EPSS
VEX
Title
WordPress Product Slider Pro for WooCommerce plugin < 3.5.4 - Backdoor vulnerability
Summary
Improper Validation of Specified Quantity in Input vulnerability in ShapedPlugin, LLC Product Slider Pro for WooCommerce allows Malicious Software Implanted.
This issue affects Product Slider Pro for WooCommerce: from n/a before 3.5.4.
Severity
10 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-06 17:23 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ShapedPlugin, LLC | Product Slider Pro for WooCommerce |
Affected:
n/a , < 3.5.4
(custom)
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CVE-2026-49110 (GCVE-0-2026-49110)
Vulnerability from cvelistv5 – Published: 2026-06-15 20:19 – Updated: 2026-06-16 14:36
VLAI
EPSS
VEX
Title
WordPress Upsell Order Bump Offer for WooCommerce plugin <= 3.1.4 - Price Manipulation vulnerability
Summary
Unauthenticated Broken Authentication in Upsell Order Bump Offer for WooCommerce <= 3.1.4 versions.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-16 14:36 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WP Swings | Upsell Order Bump Offer for WooCommerce |
Affected:
n/a , ≤ 3.1.4
(custom)
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CVE-2026-49078 (GCVE-0-2026-49078)
Vulnerability from cvelistv5 – Published: 2026-06-15 20:19 – Updated: 2026-06-16 01:19
VLAI
EPSS
VEX
Title
WordPress WP Travel Engine plugin <= 6.7.10 - Other Vulnerability Type vulnerability
Summary
Unauthenticated Other Vulnerability Type in WP Travel Engine <= 6.7.10 versions.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-16 01:05 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WP Travel Engine | WP Travel Engine |
Affected:
n/a , ≤ 6.7.10
(custom)
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CVE-2026-47667 (GCVE-0-2026-47667)
Vulnerability from cvelistv5 – Published: 2026-07-21 19:57 – Updated: 2026-07-23 14:13
VLAI
EPSS
VEX
Title
CImg Library: Uncontrolled Memory Allocation and Memory Leak in `_load_analyze()` via Crafted NIfTI/Analyze Header
Summary
CImg Library is a C++ library for image processing. Prior to version 4.0.0 in `_load_analyze()`, the header_size field is read as an `unsigned int` from the first 4 bytes of an Analyze/NIfTI file and passed directly to `new unsigned char[header_size]` without being bounded against the actual file size. A value up to ~4 GB is accepted. If the subsequent `fread` returns `short` as it will for any malformed file), the function throws a `CImgIOException` and the allocated buffer is never freed. A 6-byte crafted file is sufficient to trigger an allocation of ~1.3 GB per call, with the full allocation leaked on every error path. The issue is reachable via `load_analyze()` and the generic `load()` when the file extension is .hdr, .img, or .nii. Version 4.0.0 fixes the issue.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-23 14:12 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/GreycLab/CImg/security/advisor… | x_refsource_CONFIRM |
| https://github.com/GreycLab/CImg/issues/480 | x_refsource_MISC |
| https://github.com/GreycLab/CImg/commit/6a69bf725… | x_refsource_MISC |
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Mitigation MIT-5
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.
No CAPEC attack patterns related to this CWE.