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01 Record

CVE-2023-3906

Improper Validation of Specified Type of Input in GitLab

LowPUBLISHEDCNA: GitLab
CNA base score3.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

02 Description

Improper Validation of Specified Type of Input in GitLab

03 Exploitation and scoring

Exploitation
Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
SSVC decision
  • ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.56% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 46.7% of scored records. A rank, not a probability.
NVD base score
3.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2023-09-29 06:02Z3 YR AGO
Last updated
2026-08-14 04:11Z2 MO AGO
Reserved
2023-07-25
Assigning CNA
GitLab
Record state
PUBLISHED
Severity
Low (CVSS 3.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Weaknesses
  • CWE-1287Improper Validation of Specified Type of InputBase
Data version
5.2
Document digest
e61dcb704f8e14ad093e5998f822c32c228e0598161ba3573bfc5863b933552c

05 Affected products

VendorProductVersionsPlatforms
GitLabGitLab12.3 to < 16.2.8, 16.3 to < 16.3.5, 16.4 to < 16.4.1—

06 References

07 Remediation

Upgrade to version 16.2.8, 16.3.5, 16.4.1 or above