How severe is CVE-2026-41965?

CVE-2026-41965 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-41965 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.

How do I fix CVE-2026-41965?

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

Does CVE-2026-41965 have an EU (EUVD) identifier?

Yes. CVE-2026-41965 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30526.

When was CVE-2026-41965 published?

CVE-2026-41965 was published on 2026-05-15 and last updated on 2026-06-17.

CVE-2026-41965

CVE-2026-41965 is a medium-severity vulnerability with a CVSS 3.x base score of 5.6. 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-840.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30526
Weakness: CWE-840
Published: 2026-05-15
Last modified: 2026-06-17

Description

Use-After-Free (UAF) vulnerability in the web. Impact: Successful exploitation of this vulnerability may affect availability.

Frequently asked questions

What is CVE-2026-41965?: Use-After-Free (UAF) vulnerability in the web. Impact: Successful exploitation of this vulnerability may affect availability.
How severe is CVE-2026-41965?: CVE-2026-41965 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-41965 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.
How do I fix CVE-2026-41965?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-41965 have an EU (EUVD) identifier?: Yes. CVE-2026-41965 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30526.
When was CVE-2026-41965 published?: CVE-2026-41965 was published on 2026-05-15 and last updated on 2026-06-17.

References

Other CWE-840 vulnerabilities

CVE-2022-4719 — Critical (CVSS 9.8): Business Logic Errors in GitHub repository ikus060/rdiffweb prior to 2.5.5.
CVE-2022-3363 — Critical (CVSS 9.8): Business Logic Errors in GitHub repository ikus060/rdiffweb prior to 2.5.0a7.
CVE-2021-4171 — Critical (CVSS 9.8): calibre-web is vulnerable to Business Logic Errors
CVE-2024-39671 — Critical (CVSS 9.3): Access control vulnerability in the security verification module. Impact: Successful exploitation of this vulnerability…
CVE-2024-54098 — High (CVSS 8.5): Service logic error vulnerability in the system service module Impact: Successful exploitation of this vulnerability…
CVE-2025-1908 — High (CVSS 7.7): An issue has been discovered in GitLab EE/CE that could allow an attacker to track users' browsing activities,…

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