Vulnerability Description
OpenClaw before 2026.3.13 reads and buffers Telegram webhook request bodies before validating the x-telegram-bot-api-secret-token header, allowing unauthenticated attackers to exhaust server resources. Attackers can send POST requests to the webhook endpoint to force memory consumption, socket time, and JSON parsing work before authentication validation occurs.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | < 2026.3.13 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/commit/7e49e98f79073b11134beac27fdff547ba5aPatch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-jq3f-vjww-8rq7Vendor Advisory
- https://www.vulncheck.com/advisories/openclaw-resource-exhaustion-via-unauthentiThird Party Advisory
FAQ
What is CVE-2026-32980?
CVE-2026-32980 is a vulnerability with a CVSS score of 7.5 (HIGH). OpenClaw before 2026.3.13 reads and buffers Telegram webhook request bodies before validating the x-telegram-bot-api-secret-token header, allowing unauthenticated attackers to exhaust server resources...
How severe is CVE-2026-32980?
CVE-2026-32980 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-32980?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.