How severe is CVE-2026-31990?

CVE-2026-31990 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2026-31990 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-31990?

CVE-2026-31990 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-31990?

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

Does CVE-2026-31990 have an EU (EUVD) identifier?

Yes. CVE-2026-31990 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13019.

When was CVE-2026-31990 published?

CVE-2026-31990 was published on 2026-03-19 and last updated on 2026-06-17.

CVE-2026-31990

CVE-2026-31990 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 6.1. 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-59.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 6.9
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-13019
Weakness: CWE-59
Affected product: Openclaw
Published: 2026-03-19
Last modified: 2026-06-17

Description

OpenClaw versions prior to 2026.3.2 contain a vulnerability in the stageSandboxMedia function in which it fails to validate destination symlinks during media staging, allowing writes to follow symlinks outside the sandbox workspace. Attackers can exploit this by placing symlinks in the media/inbound directory to overwrite arbitrary files on the host system outside sandbox boundaries.

Frequently asked questions

What is CVE-2026-31990?: OpenClaw versions prior to 2026.3.2 contain a vulnerability in the stageSandboxMedia function in which it fails to validate destination symlinks during media staging, allowing writes to follow symlinks outside the sandbox workspace. Attackers can exploit this by placing symlinks in the media/inbound directory to overwrite arbitrary files on the host system outside sandbox boundaries.
How severe is CVE-2026-31990?: CVE-2026-31990 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2026-31990 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-31990?: CVE-2026-31990 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-31990?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-31990 have an EU (EUVD) identifier?: Yes. CVE-2026-31990 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13019.
When was CVE-2026-31990 published?: CVE-2026-31990 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:*:*

More vulnerabilities in Openclaw

CVE-2026-41329 — Critical (CVSS 9.9): OpenClaw before 2026.3.31 contains a sandbox bypass vulnerability allowing attackers to escalate privileges via…
CVE-2026-33579 — Critical (CVSS 9.9): OpenClaw before 2026.3.28 contains a privilege escalation vulnerability in the /pair approve command path that fails to…
CVE-2026-32922 — Critical (CVSS 9.9): OpenClaw before 2026.3.11 contains a privilege escalation vulnerability in device.token.rotate that allows callers with…
CVE-2026-22172 — Critical (CVSS 9.9): OpenClaw versions prior to 2026.3.12 contain an authorization bypass vulnerability in the WebSocket connect path that…
CVE-2026-28466 — Critical (CVSS 9.9): OpenClaw versions prior to 2026.2.14 contain a vulnerability in the gateway in which it fails to sanitize internal…
CVE-2026-28363 — Critical (CVSS 9.9): In OpenClaw before 2026.2.23, tools.exec.safeBins validation for sort could be bypassed via GNU long-option…

All CVEs affecting Openclaw →

Other CWE-59 (Improper Link Resolution Before File Access (Link Following)) vulnerabilities

CVE-2024-37143 — Critical (CVSS 10.0): Dell PowerFlex appliance versions prior to IC 46.381.00 and IC 46.376.00, Dell PowerFlex rack versions prior to RCM…
CVE-2024-28189 — Critical (CVSS 10.0): Judge0 is an open-source online code execution system. The application uses the UNIX chown command on an untrusted file…
CVE-2024-28185 — Critical (CVSS 10.0): Judge0 is an open-source online code execution system. The application does not account for symlinks placed inside the…
CVE-2022-22995 — Critical (CVSS 10.0): The combination of primitives offered by SMB and AFP in their default configuration allows the arbitrary writing of…
CVE-2014-4480 — Critical (CVSS 10.0): Directory traversal vulnerability in afc in AppleFileConduit in Apple iOS before 8.1.3 and Apple TV before 7.0.3 allows…
CVE-2002-2374 — Critical (CVSS 10.0): Unspecified vulnerability in pprosetup in Sun PatchPro 2.0 has unknown impact and attack vectors related to "unsafe use…

Browse all CWE-59 (Improper Link Resolution Before File Access (Link Following)) vulnerabilities →