HIGHCVSS v3.1 7.5Vulnerability

CVE-2026-117540

svg-sanitizer from 0.5.3 before 1.1.0 contains a denial of service vulnerability in Sanitizer::sanitize() that repeatedly rescans the whole input while stripping PHP tags. Unauthenticated attackers can upload SVGs with many overlapping PHP tag openers and closers, forcing quadratic preg_replace passes that exhaust worker CPU for minutes.

Properties

Severity
HIGH
Nvd fetched at
2026-10-27T11:29:09.292804+00:00
Cvss severity
HIGH
Cvss score
7.5
Retrieved at
2026-10-27T11:30:36+00:00
Score
7.5
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-117540
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
First seen by Signal
2026-10-27T11:30:36+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published at
2026-10-27T11:17:34.833
Last modified
2026-10-27T11:17:34.953

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-117540 (CVSS v3.1 7.5) — Ninja Signal Threat Intelligence | Ninja Signal