VulnerabilityAnalyzed

CVE-2026-53807

OpenClaw before 2026.5.6 contains an authorization bypass vulnerability in Telegram interactive callbacks that allows authenticated users to skip commands.allowFrom validation.

HIGH 7.7EPSS 0.31%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

OpenClaw before 2026.5.6 contains an authorization bypass vulnerability in Telegram interactive callbacks that allows authenticated users to skip commands.allowFrom validation. Attackers can invoke affected callbacks to mark themselves as authorized senders before allowlist checks are applied, triggering command behavior outside configured Telegram sender restrictions.

CVSS 4.0: 7.7 HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.31% probability · 24th percentile
CISA KEV: Not listed
Weakness: CWE-863
Affected: openclaw/openclaw
Source: disclosure@vulncheck.com

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-w5ww-7chg-mxcqMitigation, Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-authorization-bypass-in-telegram-interactive-callbacks-via-commands-allowfromThird Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.