Vulnerability Description
Capgo before 12.128.2 contains an authorization bypass vulnerability in the channel creation endpoint that allows authenticated users to overwrite existing channels by reusing their names. Attackers with app.create_channel permission can exploit a logic mismatch between existence validation and upsert operations to reassign channel ownership and modify critical production channel configurations.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/Cap-go/capgo/security/advisories/GHSA-vj24-j594-3wv3
- https://www.vulncheck.com/advisories/capgo-unauthorized-channel-overwrite-and-ow
- https://github.com/Cap-go/capgo/security/advisories/GHSA-vj24-j594-3wv3
FAQ
What is CVE-2026-56249?
CVE-2026-56249 is a vulnerability with a CVSS score of 7.6 (HIGH). Capgo before 12.128.2 contains an authorization bypass vulnerability in the channel creation endpoint that allows authenticated users to overwrite existing channels by reusing their names. Attackers w...
How severe is CVE-2026-56249?
CVE-2026-56249 has been rated HIGH with a CVSS base score of 7.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-56249?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.