CVE-2026-42439

highpriority · track · 0OT risk · elevatedEPSS 0.004 · 33 %ileDEEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.40% (33rd) EPSS
CVSS 8.5 · high
Is it mine?
5 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-24

OpenClaw before 2026.4.10 contains a server-side request forgery policy bypass vulnerability in the browser tabs action select and close routes. Attackers can bypass configured browser SSRF policy protections by exploiting the /tabs/action endpoint to perform unauthorized tab navigation operations.

01

cvss

Technical severity, 0–10. One row per scoring source.

8.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 1.1–8.5

v3.18.5highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:Nsecondary · disclosure@vulncheck.comexploitability 3.1 · impact 4.7
v3.18.5highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:Nsecondary · OSV
v4.04.9mediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:Nsecondary · ENISA EU
v4.04.9mediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · disclosure@vulncheck.com
v4.01.1lowCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-918USprimaryCWE-862USCWE-862USCWE-918US
04

affected products (5)

Products and version ranges known to be affected.

05

advisories (2)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-1161OpenClaw: Mehrere SchwachstellenDeutsch2026-04-16csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in OpenClaw ausnutzen, um erweiterte Rechte zu erlangen, beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten offenzulegen oder zu manipulieren oder andere, nicht näher spezifizierte Angriffe durchzuführen.

  • GHSA-rj2p-j66c-mgqhOpenClaw: Browser tabs action select and close routes bypassed SSRF policy2026-04-17ghsa · osvUS

    ## Summary Browser tabs action select and close routes bypassed SSRF policy. ## Affected Packages / Versions - Package: `openclaw` - Ecosystem: npm - Affected versions: `< 2026.4.10` - Patched versions: `>= 2026.4.10` ## Impact The browser `/tabs/action` select and close branches could operate on targets without enforcing configured browser SSRF policy, weakening tab-level navigation protections. ## Technical Details The fix enforces browser SSRF policy in the select and close tab-action branches. ## Fix The issue was fixed in #63332. The first stable tag containing the fix is `v2026.4.10`, and `openclaw@2026.4.14` includes the fix. ## Fix Commit(s) - `48c0347921b7e9438af0312968fc360ca88023f3` - PR: #63332 ## Release Process Note Users should upgrade to `openclaw` 2026.4.10 or newer. The latest npm release, `2026.4.14`, already includes the fix. ## Credits Thanks to @tdjackey for reporting this issue.

06

also known as (2)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcert_bundnvdosvNVDCVE.orgMITRE
published 2026-05-05modified 2026-06-17
09

references (8)

External citations — patches, advisories, analysis.

scry

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