CVE-2026-53830

Description

OpenClaw before 2026.4.22 contains a webhook secret revocation bypass vulnerability allowing callers with old Slack and Zalo webhook secrets to remain active after secrets.reload. Attackers can exploit the stale-secret window to deliver webhook events after operator-expected secret revocation, potentially accepting previous credentials.

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CVSS v3.1 Score

6.5

MEDIUM

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

EPSS — Exploit Prediction

0.0021

Probability of exploitation

0.11%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-613 CWE-613

Affected Products

Vendor	Product	Versions
openclaw	openclaw	< 2026.4.22

References

Advisories & Patches

https://github.com/openclaw/openclaw/security/advisories/GHSA-275c-xpvc-jgfw

Other References

https://www.vulncheck.com/advisories/openclaw-webhook-secret-revocation-bypass-via-secrets-reload

Frequently Asked Questions

What is CVE-2026-53830? +

OpenClaw before 2026.4.22 contains a webhook secret revocation bypass vulnerability allowing callers with old Slack and Zalo webhook secrets to remain active after secrets.reload. Attackers can exploit the stale-secret window to deliver webhook events after operator-expected secret revocation, potentially accepting previous credentials. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-53830? +

CVE-2026-53830 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0021, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-53830? +

CVE-2026-53830 affects products from openclaw, specifically: openclaw. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-53830? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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