How severe is CVE-2025-1257?

CVE-2025-1257 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 user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-1257 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-1257?

CVE-2025-1257 affects Gitlab. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-1257?

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

Does CVE-2025-1257 have an EU (EUVD) identifier?

Yes. CVE-2025-1257 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6433.

When was CVE-2025-1257 published?

CVE-2025-1257 was published on 2025-03-13 and last updated on 2026-06-17.

CVE-2025-1257

CVE-2025-1257 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-6433
Weakness: CWE-770
Affected product: Gitlab
Published: 2025-03-13
Last modified: 2026-06-17

Description

An issue was discovered in GitLab EE affecting all versions starting with 12.3 before 17.7.7, 17.8 prior to 17.8.5, and 17.9 prior to 17.9.2. A vulnerability in certain GitLab instances could allow an attacker to cause a denial of service condition by manipulating specific API inputs.

Frequently asked questions

What is CVE-2025-1257?: An issue was discovered in GitLab EE affecting all versions starting with 12.3 before 17.7.7, 17.8 prior to 17.8.5, and 17.9 prior to 17.9.2. A vulnerability in certain GitLab instances could allow an attacker to cause a denial of service condition by manipulating specific API inputs.
How severe is CVE-2025-1257?: CVE-2025-1257 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 user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-1257 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-1257?: CVE-2025-1257 affects Gitlab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-1257?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-1257 have an EU (EUVD) identifier?: Yes. CVE-2025-1257 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6433.
When was CVE-2025-1257 published?: CVE-2025-1257 was published on 2025-03-13 and last updated on 2026-06-17.

References

Affected products (1)

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

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