How severe is CVE-2019-18459?

CVE-2019-18459 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2019-18459 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18459?

CVE-2019-18459 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-2019-18459?

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

When was CVE-2019-18459 published?

CVE-2019-18459 was published on 2019-11-26 and last updated on 2026-06-17.

CVE-2019-18459

CVE-2019-18459 is a medium-severity vulnerability in Gitlab with a CVSS 3.x base score of 5.3. 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-732.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Gitlab
Published: 2019-11-26
Last modified: 2026-06-17

Description

An issue was discovered in GitLab Community and Enterprise Edition 11.3 to 12.3 in the protected environments feature. It has Insecure Permissions (issue 3 of 4).

Frequently asked questions

What is CVE-2019-18459?: An issue was discovered in GitLab Community and Enterprise Edition 11.3 to 12.3 in the protected environments feature. It has Insecure Permissions (issue 3 of 4).
How severe is CVE-2019-18459?: CVE-2019-18459 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2019-18459 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18459?: CVE-2019-18459 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-2019-18459?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-18459 published?: CVE-2019-18459 was published on 2019-11-26 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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