How severe is CVE-2026-0958?

CVE-2026-0958 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-0958 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-0958?

CVE-2026-0958 primarily affects Gitlab. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-0958?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-0958 have an EU (EUVD) identifier?

Yes. CVE-2026-0958 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7060.

When was CVE-2026-0958 published?

CVE-2026-0958 was published on 2026-02-11 and last updated on 2026-06-17.

CVE-2026-0958

CVE-2026-0958 is a high-severity vulnerability in Gitlab with a CVSS 3.x base score of 7.5. 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-436.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7060
Weakness: CWE-436
Affected product: Gitlab
Published: 2026-02-11
Last modified: 2026-06-17

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through memory or CPU exhaustion by bypassing JSON validation middleware limits.

Frequently asked questions

What is CVE-2026-0958?: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through memory or CPU exhaustion by bypassing JSON validation middleware limits.
How severe is CVE-2026-0958?: CVE-2026-0958 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-0958 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-0958?: CVE-2026-0958 primarily affects Gitlab. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-0958?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-0958 have an EU (EUVD) identifier?: Yes. CVE-2026-0958 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7060.
When was CVE-2026-0958 published?: CVE-2026-0958 was published on 2026-02-11 and last updated on 2026-06-17.

References

Affected products (2)

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

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