CVE-2026-53826: openclaw Resource Exposure — Fix

Description

OpenClaw before 2026.4.26 contains an information disclosure vulnerability in sandboxed session spawning that exposes the real workspace path to child prompts. Attackers can exploit this by spawning child sessions from sandboxed parents to reveal host workspace location or related memory context to child models.

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CVSS v3.1 Score

4.3

MEDIUM

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

EPSS — Exploit Prediction

0.0019

Probability of exploitation

0.09%

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-668 CWE-668

Affected Products

Vendor	Product	Versions
openclaw	openclaw	< 2026.4.26

References

Advisories & Patches

https://github.com/openclaw/openclaw/security/advisories/GHSA-6c4r-g249-wv3c

Other References

https://www.vulncheck.com/advisories/openclaw-information-disclosure-via-sandboxed-session-spawn

Frequently Asked Questions

What is CVE-2026-53826? +

OpenClaw before 2026.4.26 contains an information disclosure vulnerability in sandboxed session spawning that exposes the real workspace path to child prompts. Attackers can exploit this by spawning child sessions from sandboxed parents to reveal host workspace location or related memory context to child models. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-53826? +

CVE-2026-53826 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0019, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-53826? +

CVE-2026-53826 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-2026-53826? +

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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