HIGHCVSS v3.1 7.5Vulnerability

CVE-2026-126799

Gotenberg 8.31.0 before 8.38.0 contains a server-side request forgery vulnerability in IsPublicIP() that allows unauthenticated attackers to bypass private-IP deny-list protections using IPv6 zone identifiers. Attackers can append a zone such as %25eth0 to the unspecified address or blocked IPv6 prefixes in downloadFrom, webhook, or Chromium/LibreOffice URLs to reach internal services and read responses in the returned PDF.

Properties

Severity
HIGH
Nvd fetched at
2026-11-11T23:49:45.533241+00:00
Cvss severity
HIGH
Cvss score
7.5
Retrieved at
2026-11-11T23:50:18+00:00
Score
7.5
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-126799
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
First seen by Signal
2026-11-11T23:46:41+00:00
Name
CVE-2026-126799
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
Published at
2026-11-11T21:16:43.347
Last modified
2026-11-11T21:16:43.347

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-126799 (CVSS v3.1 7.5) — Ninja Signal Threat Intelligence | Ninja Signal