CVE-2026-100676 Stoatchat stoatchat - Path Traversal

Stoatchat stoatchat < 0.15.5 contains a path traversal caused by improper resolution of SVG <image href> values as local filesystem paths in image/svg+xml responses, letting unauthenticated remote attackers disclose local files and cause denial of service, exploit requires attacker to proxy attacker-hosted SVG.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.40% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Path Traversal
Impact
Information Disclosure, Denial Of Service, File System Read
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Published
26 September 2026
Updated
15 October 2026
Weakness
CWE-693

Vendor fix

Upgrade to version 0.15.5.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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