Common Weakness Enumeration

CWE-1286 Improper Validation of Syntactic Correctness of Input

Description

The product receives input that is expected to be well-formed - i.e., to comply with a certain syntax - but it does not validate or incorrectly validates that the input complies with the syntax.

Associated Reviewed Advisories

Vulnerabilities classified under CWE-1286 ordered by modification date.

20 reviewed records
Advisory ID NVD ID Severity PURLs Summary Last Modified
GHSA-h2qv-fj59-j46j CVE-2026-48059 HIGH

Netty HAProxy: Unbalanced Reference Count in Nested PP2_TYPE_SSL TLV Parsing Leads to Memory Exhaustion

2026-09-18
GHSA-f52w-8j3h-j724 CVE-2026-88009 HIGH

Traefik: Rootless HTTP/1 request-target routes as "/" but is forwarded verbatim, bypassing path-scoped routing, middleware guards and access logging

2026-09-10
GHSA-6h8r-xr42-gp59 CVE-2026-83611 MODERATE

xmldom: Parser silently accepts a not-well-formed end tag whose name is followed by a line break and trailing content

2026-09-08
GHSA-cwxw-98qj-8qjx CVE-2026-55767 MODERATE -

guzzlehttp/guzzle: Dot-Only Cookie Domains Match All Hosts

2026-08-05
GHSA-xw9q-2mv6-9fr8 CVE-2026-50131 HIGH

Fedify has an incomplete SSRF mitigation after GHSA-p9cg-vqcc-grcx: validatePublicUrl allows special-use IPv4 ranges

2026-07-14
GHSA-pj86-258h-qrvf CVE-2025-67492 MODERATE

Weblate's over‑permissive webhook endpoint enables mass repository updates and component enumeration

2026-06-08
GHSA-p5mv-gj8j-xqgf CVE-2026-7307 HIGH

Keycloak: Denial of Service via specially crafted SAML input

2026-06-04
GHSA-g2pf-xv49-m2h5 CVE-2026-34835 MODERATE

Rack::Request accepts invalid Host characters, enabling host allowlist bypass

2026-05-13
GHSA-jj37-3377-m6vv - HIGH

Duplicate Advisory: Nodemailer: Email to an unintended domain can occur due to Interpretation Conflict

2026-05-13
GHSA-v653-r55g-hcmg CVE-2025-13327 MODERATE -

uv has ZIP payload obfuscation through parsing differentials

2026-03-01
GHSA-cjfx-qhwm-hf99 CVE-2026-25513 HIGH -

FacturaScripts has SQL Injection in API ORDER BY Clause

2026-02-04
GHSA-rv95-896h-c2vc CVE-2024-29041 MODERATE

Express.js Open Redirect in malformed URLs

2025-12-20
GHSA-q5r6-9qwq-g2wj CVE-2025-11573 HIGH

Amazon.IonDotnet is vulnerable to Denial of Service attacks

2025-10-09
GHSA-fmjh-f678-cv3x CVE-2025-10954 MODERATE

github.com/nyaruka/phonenumbers Vulnerable to Improper Validation of Syntactic Correctness of Input

2025-09-29
GHSA-qjvf-8748-9w7h CVE-2024-6284 MODERATE

github.com/google/nftable IP addresses were encoded in the wrong byte order

2025-09-10
GHSA-6v2p-p543-phr9 CVE-2025-22868 HIGH

golang.org/x/oauth2 Improper Validation of Syntactic Correctness of Input vulnerability

2025-07-18
GHSA-3wqc-mwfx-672p - HIGH

Traefik affected by Go oauth2/jws Improper Validation of Syntactic Correctness of Input vulnerability

2025-07-17
GHSA-qh8g-58pp-2wxh CVE-2024-6763 MODERATE

Eclipse Jetty URI parsing of invalid authority

2025-03-07
GHSA-ffcv-v6pw-qhrp CVE-2024-34537 LOW -

Denial of Service in TYPO3 Bookmark Toolbar

2024-10-31
GHSA-8gq9-2x98-w8hf CVE-2022-1941 HIGH

protobuf-cpp and protobuf-python have potential Denial of Service issue

2024-07-05