How severe is CVE-2026-31991?

CVE-2026-31991 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-31991 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-31991?

CVE-2026-31991 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-31991?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-31991 have an EU (EUVD) identifier?

Yes. CVE-2026-31991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13021.

When was CVE-2026-31991 published?

CVE-2026-31991 was published on 2026-03-19 and last updated on 2026-06-17.

CVE-2026-31991

CVE-2026-31991 is a low-severity vulnerability in Openclaw with a CVSS 3.x base score of 3.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
CVSS v4: 2.0
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-13021
Weakness: CWE-863
Affected product: Openclaw
Published: 2026-03-19
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-31991?: 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.
How severe is CVE-2026-31991?: CVE-2026-31991 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-31991 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-31991?: CVE-2026-31991 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-31991?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-31991 have an EU (EUVD) identifier?: Yes. CVE-2026-31991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13021.
When was CVE-2026-31991 published?: CVE-2026-31991 was published on 2026-03-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

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