How severe is CVE-2025-8770?

CVE-2025-8770 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2025-8770 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8770?

CVE-2025-8770 affects Gitlab. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8770?

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

Does CVE-2025-8770 have an EU (EUVD) identifier?

Yes. CVE-2025-8770 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24603.

When was CVE-2025-8770 published?

CVE-2025-8770 was published on 2025-08-13 and last updated on 2026-06-17.

CVE-2025-8770

CVE-2025-8770 is a medium-severity vulnerability in Gitlab 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-639.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24603
Weakness: CWE-639
Affected product: Gitlab
Published: 2025-08-13
Last modified: 2026-06-17

Description

An issue has been discovered in GitLab EE affecting all versions from 18.0 prior to 18.0.6, 18.1 prior to 18.1.4, and 18.2 prior to 18.2.2 that could have allowed authenticated users with specific access to bypass merge request approval policies by manipulating approval rule identifiers.

Frequently asked questions

What is CVE-2025-8770?: An issue has been discovered in GitLab EE affecting all versions from 18.0 prior to 18.0.6, 18.1 prior to 18.1.4, and 18.2 prior to 18.2.2 that could have allowed authenticated users with specific access to bypass merge request approval policies by manipulating approval rule identifiers.
How severe is CVE-2025-8770?: CVE-2025-8770 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2025-8770 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8770?: CVE-2025-8770 affects Gitlab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8770?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8770 have an EU (EUVD) identifier?: Yes. CVE-2025-8770 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24603.
When was CVE-2025-8770 published?: CVE-2025-8770 was published on 2025-08-13 and last updated on 2026-06-17.

References

https://gitlab.com/gitlab-org/gitlab/-/issues/549105

Affected products (1)

cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*

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