CVE-2023-3906

lowpriority · track · 14EPSS 0.006 · 47 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.57% (47th) EPSS

CVSS 3.5 · low

Is it mine?

9 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

An input validation issue in the asset proxy in GitLab EE, affecting all versions from 12.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1, allowed an authenticated attacker to craft image urls which bypass the asset proxy.

cvss

Technical severity, 0–10. One row per scoring source.

3.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.13.5lowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 2.1 · impact 1.4

v3.13.5lowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.13.5lowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:Nsecondary · cve@gitlab.comexploitability 2.1 · impact 1.4

v3.13.2lowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1287US

affected products (9)

Products and version ranges known to be affected.

GitLab GitLab12.3 → 16.2.8enisa_euvdEU
GitLab GitLab16.3 → 16.3.5enisa_euvdEU
GitLab GitLab16.4 → 16.4.1enisa_euvdEU
gitlab gitlab12.3 → 16.2.8nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab16.3.0 → 16.3.5nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab= 16.4.0nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Bitnami gitlab12.3.0 → 16.2.8osvUSpkg:bitnami/gitlab
Bitnami gitlab16.3.0 → 16.3.5osvUSpkg:bitnami/gitlab
Bitnami gitlab16.4.0 → 16.4.1osvUSpkg:bitnami/gitlab

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2520GitLab: Mehrere SchwachstellenDeutsch2023-09-28csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um beliebigen Programmcode mit Rechten des Benutzers auszuführen, Sicherheitsvorkehrungen zu umgehen, Informationen offenzulegen oder Dateien zu manipulieren.
BIT-gitlab-2023-3906Improper Validation of Specified Type of Input in GitLab2024-03-06vendor · osvUS
An input validation issue in the asset proxy in GitLab EE, affecting all versions from 12.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1, allowed an authenticated attacker to craft image urls which bypass the asset proxy.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv cert_bund NVD CVE.org MITRE

published 2023-09-29modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan