VULNERABILITY INTELLIGENCE

CVE-2026-73057

CVSS score7.5 HIGH
EPSS probability0.34%
CISA KEVNot currently listed
Published2026-08-16
Last modified2026-09-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

stoatchat before 0.15.0 fails to validate SVG viewBox dimensions in the proxy endpoint, allowing attackers to cause denial of service by memory exhaustion. Attackers can host malicious SVGs with extremely large width and height values and trigger concurrent requests to exhaust available memory across proxy replicas.

Weakness classification

  • disclosure@vulncheck.com: CWE-400

Primary references