CVE-2023-2825Public exploitNetwork attack vector

Unauthenticated file read via unsanitized upload filename

Published May 26, 2023 · Updated Jan 15, 2025

Path traversal in GitLab CE/EE 16.0.0 allows remote attackers to read arbitrary server files through a crafted upload filename. The project uploads controller fails to sanitize traversal characters in its filename parameter before resolving and returning the requested path. Exploitation requires an attachment in a public project nested within at least five groups; successful requests disclose files readable by the service.

CVSS severity10.0
Critical
EPSS probability71.64%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in GitLab CE/EE 16.0.0 allows remote attackers to read arbitrary server files through a crafted upload filename. The project uploads controller fails to sanitize traversal characters in its filename parameter before resolving and returning the requested path. Exploitation requires an attachment in a public project nested within at least five groups; successful requests disclose files readable by the service.

The record

CVE
CVE-2023-2825
Published
May 26, 2023
Updated
Jan 15, 2025
Vendor
GitLab
Product
GitLab
Classifications
CWE-22, T1005
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 26, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 15, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=16.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

GitLab · GitLabversion=16.0.0

Published CVSS scores

10.0GitLabCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
T1005Data from Local System

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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