CVE-2026-73057

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/stoatchat/stoatchat/security/advisories/GHSA-x87r-h3mq-7mgr
https://www.vulncheck.com/advisories/stoatchat-before-uncapped-svg-rendering-denial-of-service
https://github.com/stoatchat/stoatchat/security/advisories/GHSA-x87r-h3mq-7mgr

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-16 14:16

Updated : 2026-08-18 15:17

NVD link : CVE-2026-73057

Mitre link : CVE-2026-73057

CVE.ORG link : CVE-2026-73057

JSON object : View

Products Affected

No product.

CWE

CWE-400

Uncontrolled Resource Consumption

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