Server-Side Request Forgery (SSRF) in chatwoot/chatwoot
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A Server-Side Request Forgery (SSRF) vulnerability was discovered in chatwoot/chatwoot, affecting all versions prior to 2.5.0. The vulnerability allows an attacker to upload an SVG file containing a malicious SSRF payload. When the SVG file is used as an avatar and opened in a new tab, it can trigger the SSRF, potentially leading to host redirection.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA chatwoot/chatwoot (chatwoot) Fixed in 2.5.0
Timeline
- 2026-10-02 Threatist record created from CVE-2021-3742
- 2026-10-03 Alias added: GHSA-gvwh-c4r7-8fm9
References
More Chatwoot vulnerabilities
- TI-2022-03436 Improper Restriction of Excessive Authentication Attempts in chatwoot/chatwoot CVSS 3.1CRITICAL 9.8
- TI-2023-01984 Cross-site Scripting (XSS) - DOM in chatwoot/chatwoot CVSS 3.1MEDIUM 6.1
- TI-2025-11229 chatwoot Admin IframeLoader.vue cross site scripting CVSS 4.0MEDIUM 5.3
- TI-2024-00591 Stored XSS in chatwoot/chatwoot CVSS 3.1MEDIUM 4.8
- TI-2025-15587 Chatwoot has a Blind SQL-injection in Conversation and Contacts filters CVSS 3.1CRITICAL 9.1
- TI-2021-02593 Inefficient Regular Expression Complexity in chatwoot/chatwoot CVSS 3.1HIGH 7.5
Sources
- CVE-2021-3742 · CVE Program
- CVE-2021-3742 · NVD
- FIRST EPSS
- GHSA-gvwh-c4r7-8fm9 · GitHub Advisory Database · CC BY 4.0
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