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CVE-2023-0508

17
FAUCET Score

CVE-2023-0508 is an open redirection vulnerability affecting GitLab CE/EE versions 15.4 through 16.0.1, specifically in the NPM package API, where HTTP response splitting could occur. This medium-severity vulnerability (CVSS 4.3) has a network attack vector and low attack complexity, requiring user interaction, with a potential impact of limited integrity. There is no evidence of active exploitation, nor is public exploit code available in Metasploit, Nuclei, or ExploitDB. The vulnerability has garnered minimal community discussion and media coverage, with only one article from GitLab Security.

Impacted Technologies

VendorProductVersion(s)CPE
>= 15.4.0, < 15.10.8CPE matchmatch criteria
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
>= 15.4.0, < 15.10.8CPE matchmatch criteria
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
>= 15.11.0, < 15.11.7CPE matchmatch criteria
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
>= 15.11.0, < 15.11.7CPE matchmatch criteria
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
>= 16.0.0, < 16.0.2CPE matchmatch criteria
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.1LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.76%
Probability of exploitation in next 30 days
EPSS Percentile
51.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0076 is in the 58th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Remediation records are not available for this CVE.

References

gitlab.com / gitlab-org/cves/-/blob/master/2023/CVE-2023-0508.json
Vendor Advisory
gitlab.com / gitlab-org/gitlab/-/issues/389328
Broken Link
hackerone.com / reports/1842314
Permissions RequiredThird Party Advisory