CVE-2026-29613
CVE-2026-29613 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 5.9. 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-306.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- CVSS v4: 8.2
- EPSS exploit prediction: 0% (33rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-9937
- Weakness: CWE-306
- Affected product: Openclaw
- Published:
- Last modified:
Description
OpenClaw versions prior to 2026.2.12 contain a vulnerability in the BlueBubbles (optional plugin) webhook handler in which it authenticates requests based solely on loopback remoteAddress without validating forwarding headers, allowing bypass of configured webhook passwords. When the gateway operates behind a reverse proxy, unauthenticated remote attackers can inject arbitrary BlueBubbles message and reaction events by reaching the proxy endpoint.
Frequently asked questions
- What is CVE-2026-29613?
- OpenClaw versions prior to 2026.2.12 contain a vulnerability in the BlueBubbles (optional plugin) webhook handler in which it authenticates requests based solely on loopback remoteAddress without validating forwarding headers, allowing bypass of configured webhook passwords. When the gateway operates behind a reverse proxy, unauthenticated remote attackers can inject arbitrary BlueBubbles message and reaction events by reaching the proxy endpoint.
- How severe is CVE-2026-29613?
- CVE-2026-29613 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2026-29613 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-29613?
- CVE-2026-29613 affects Openclaw. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-29613?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-29613 have an EU (EUVD) identifier?
- Yes. CVE-2026-29613 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9937.
- When was CVE-2026-29613 published?
- CVE-2026-29613 was published on 2026-03-05 and last updated on 2026-06-17.
References
- https://github.com/openclaw/openclaw/commit/743f4b28495cdeb0d5bf76f6ebf4af01f6a02e5a
- https://github.com/openclaw/openclaw/commit/f836c385ffc746cb954e8ee409f99d079bfdcd2f
- https://github.com/openclaw/openclaw/security/advisories/GHSA-xc7w-v5x6-cc87
- https://www.vulncheck.com/advisories/openclaw-webhook-authentication-bypass-via-loopback-remoteaddress-trust
Affected products (1)
- cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
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