How severe is CVE-2019-5883?

CVE-2019-5883 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2019-5883 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-5883?

CVE-2019-5883 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-2019-5883?

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

When was CVE-2019-5883 published?

CVE-2019-5883 was published on 2019-05-17 and last updated on 2026-06-17.

CVE-2019-5883

CVE-2019-5883 is a critical-severity vulnerability in Gitlab with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Gitlab
Published: 2019-05-17
Last modified: 2026-06-17

Description

An Incorrect Access Control issue was discovered in GitLab Community and Enterprise Edition 6.0 and later but before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1. The issue comments feature could allow a user to comment on an issue which they shouldn't be allowed to.

Frequently asked questions

What is CVE-2019-5883?: An Incorrect Access Control issue was discovered in GitLab Community and Enterprise Edition 6.0 and later but before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1. The issue comments feature could allow a user to comment on an issue which they shouldn't be allowed to.
How severe is CVE-2019-5883?: CVE-2019-5883 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2019-5883 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-5883?: CVE-2019-5883 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-2019-5883?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-5883 published?: CVE-2019-5883 was published on 2019-05-17 and last updated on 2026-06-17.

References

https://about.gitlab.com/2018/11/28/security-release-gitlab-11-dot-5-dot-1-released/

Affected products (2)

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

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