CVE-2026-121444High· 7.5▾ Twilightsvg-sanitizer from 0.11.0 before 1.1.0 contains an algorithmic complexity denial of service vulnerability in hasInfiniteLoop() and countUse() of the use reference-graph analysis. Attackers can upload a small layered SVG with 15 levels of…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Nov 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.4%
svg-sanitizer from 0.11.0 before 1.1.0 contains an algorithmic complexity denial of service vulnerability in hasInfiniteLoop() and countUse() of the use reference-graph analysis. Attackers can upload a small layered SVG with 15 levels of fanned-out use elements, forcing exponential path enumeration that pins PHP workers for hours.
svg-sanitizer >= 0.11.0 < 1.1.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-121445Medium· 5.9svg-sanitizer 1.0.0 before 1.1.0 ReDoS and Fail-Open via image-set CSS Stripping
CVE-2026-121447Medium· 6.1svg-sanitizer before 1.1.0 XSS via animateTransform on Safari
CVE-2026-121446Medium· 4.3svg-sanitizer 0.5.0 before 1.1.0 Incomplete url() Filtering in SVG Attributes
CVE-2026-121443Medium· 5.3svg-sanitizer from 1.1.0 before 1.1.1 Denial of Service via Unclosed Tag
CVE-2026-117541Medium· 5.3svg-sanitizer 0.11.0 before 1.1.0 Uncaught LogicException DoS via sanitize()
CVE-2026-117539Low· 3.5darylldoyle svg-sanitizer before 1.0.0 CSS Injection and Remote Reference Bypass