How severe is CVE-2026-41340?

CVE-2026-41340 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-41340 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41340?

CVE-2026-41340 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41340?

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

Does CVE-2026-41340 have an EU (EUVD) identifier?

Yes. CVE-2026-41340 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25324.

When was CVE-2026-41340 published?

CVE-2026-41340 was published on 2026-04-23 and last updated on 2026-06-17.

CVE-2026-41340

CVE-2026-41340 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 6.5. 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-372.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 6.3
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25324
Weakness: CWE-372
Affected product: Openclaw
Published: 2026-04-23
Last modified: 2026-06-17

Description

OpenClaw before 2026.3.31 contains an authentication boundary vulnerability where Telegram legacy allowFrom migration incorrectly fans default-account trust into all named accounts. Attackers can exploit this trust propagation to bypass authentication controls and gain unauthorized access to named accounts.

Frequently asked questions

What is CVE-2026-41340?: OpenClaw before 2026.3.31 contains an authentication boundary vulnerability where Telegram legacy allowFrom migration incorrectly fans default-account trust into all named accounts. Attackers can exploit this trust propagation to bypass authentication controls and gain unauthorized access to named accounts.
How severe is CVE-2026-41340?: CVE-2026-41340 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-41340 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41340?: CVE-2026-41340 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41340?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-41340 have an EU (EUVD) identifier?: Yes. CVE-2026-41340 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25324.
When was CVE-2026-41340 published?: CVE-2026-41340 was published on 2026-04-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

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