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CVE-2023-0508

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting') in GitLab

3.1 LowFix available

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. Open redirection was possible via HTTP response splitting in the NPM package API.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
None

Exploit likelihood

0.76%Up 0.7 points since Jun 8, 2023
90%50%10%1%

What each source reports

CVE List Score used 3.1

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting') in GitLab

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. Open redirection was possible via HTTP response splitting in the NPM package API.

Record
CVE-2023-0508
CVSS 3.1
3.1 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness
CWE-113
Updated
2026-11-02
EUVDEUVD-2023-12555 3.1

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. Open redirection was possible via HTTP response splitting in the NPM package API.

Record
EUVD-2023-12555
CVSS 3.1
3.1 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-qx55-2cp2-7ppq 3.1

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15...

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. Open redirection was possible via HTTP response splitting in the NPM package API.

Record
GHSA-qx55-2cp2-7ppq
CVSS 3.1
3.1 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness
CWE-113
Updated
2026-11-02
NVD 3.1

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. Open redirection was possible via HTTP response splitting in the NPM package API.

Record
CVE-2023-0508
CVSS 3.1
3.1 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness
CWE-113
Updated
2026-11-02
OSV 3.1

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting') in GitLab

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. Open redirection was possible via HTTP response splitting in the NPM package API.

Record
CVE-2023-0508
CVSS 3.1
3.1 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness
CWE-113
Updated
2026-11-02
OSVUBUNTU-CVE-2023-0508 4.3

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. Open redirection was possible via HTTP response splitting in the NPM package API.

Record
UBUNTU-CVE-2023-0508
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS 3.1
3.1 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVBIT-gitlab-2023-0508 No score

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting') in GitLab

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. Open redirection was possible via HTTP response splitting in the NPM package API.

Record
BIT-gitlab-2023-0508
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
gitlab
Bitnami
 12.9.0 up to 15.10.8, 15.11.0 up to 15.11.7, 16.0.0 up to 16.0.2
15.10.815.11.716.0.2
gitlab
Ubuntu:16.04:LTS
 All versions, plus listed versions
8.4.3+dfsg-98.4.3+dfsg-128.5.8+dfsg-5
 None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-0508 is a low vulnerability (CVSS 3.1) in Gitlab, published June 7, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.76%, the 55th percentile. Fixed in gitlab 15.10.8.

References

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