| Component | OpenClaw |
| Severity | medium (CVSS 5.3) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| Published (NVD) | 2026-04-10 |
| Last modified | 2026-06-17 |
| Affected versions | openclaw < 2026.3.25 |
| Fixed in | 2026.3.25 |
| Weakness | CWE-288 |
| CISA KEV | not listed |
NVD description
OpenClaw before 2026.3.25 contains an authorization bypass vulnerability in Telegram callback query handling that allows attackers to mutate session state without satisfying normal DM pairing requirements. Remote attackers can exploit weaker callback-only authorization in direct messages to bypass DM pairing and modify session state.
What to do
- Upgrade OpenClaw to
2026.3.25or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-35661
- https://github.com/openclaw/openclaw/security/advisories/GHSA-j4c9-w69r-cw33
- https://github.com/openclaw/openclaw/commit/269282ac69ab6030d5f30d04822668f607f13065
- https://www.vulncheck.com/advisories/openclaw-telegram-dm-scoped-inline-button-callback-authorization-bypass
Read more
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