CVE-2026-31991

low

Description

OpenClaw versions prior to 2026.2.26 contain an authorization bypass vulnerability where Signal group allowlist policy incorrectly accepts sender identities from DM pairing-store approvals. Attackers can exploit this boundary weakness by obtaining DM pairing approval to bypass group allowlist checks and gain unauthorized group access.

References

https://www.vulncheck.com/advisories/openclaw-authorization-bypass-via-dm-pairing-store-leakage-in-signal-group-allowlist

https://github.com/openclaw/openclaw/security/advisories/GHSA-wm8r-w8pf-2v6w

https://github.com/openclaw/openclaw/commit/8bdda7a651c21e98faccdbbd73081e79cffe8be0

https://github.com/openclaw/openclaw/commit/64de4b6d6ae81e269ceb4ca16f53cda99ced967a

Details

Source: Mitre, NVD

Published: 2026-03-19

Updated: 2026-03-19

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 4.6

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Severity: Medium

CVSS v4

Base Score: 2

Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Severity: Low

EPSS

EPSS: 0.00026