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CVE-2026-73057— stoatchat before 0.15.0 Uncapped SVG Rendering Denial of Service

CVSS 7.5 · High

Possible ATT&CK Techniques 1AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 2

VendorProductVersion RangeStatus
stoatchatstoatchat< 0.15.0affected
0.15.0unaffected
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I. Basic Information for CVE-2026-73057

Vulnerability Information
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Vulnerability Title
stoatchat before 0.15.0 Uncapped SVG Rendering Denial of Service
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5

Affected Products

VendorProductAffected VersionsCPESubscribe
stoatchatstoatchat 0 ~ 0.15.0 -

II. Public POCs for CVE-2026-73057

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 6911 chars
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III. Intelligence Information for CVE-2026-73057

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Vendor Advisories for CVE-2026-73057 (2)

Same Patch Batch · stoatchat · 2026-08-16 · 3 CVEs total

CVE-2026-730596.5 MEDIUMstoatchat before 0.15.0 Permission Bypass via message_fetch
CVE-2026-730585.8 MEDIUMstoatchat before 0.15.0 SSRF via IPv6 unspecified address bypass

IV. Related Vulnerabilities

Same product: stoatchat
Same vendor: stoatchat
Same weakness: CWE-400

V. Comments for CVE-2026-73057

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