CVE-2026-73057
stoatchat before 0.15.0 Uncapped SVG Rendering Denial of Service
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-400 |
| Vendor | stoatchat |
| Product | stoatchat |
| Published | Aug 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
stoatchat / stoatchat
0 < 0.15.0