CVE-2025-69413: Code.gitea.io/gitea Gitea's /api/v1/user Endpoint Has Different Vulnerability

MODERATE
Advisory Identifier: GHSA-pc73-rj2c-wvf9
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CVSS 5.3
CWE-204
Published
Advisory Summary

CVE-2025-69413 is a MODERATE (CVSS 5.3) gitea's /api/v1/user endpoint has different vulnerability (CWE-204: Observable Response Discrepancy) affecting Code.gitea.io/gitea libraries in the Go ecosystem. The issue involves gitea's /api/v1/user endpoint has different responses for failed authentication depending on whether a username exists. Remediation is available by upgrading affected packages to version 1.25.2.

CVE-2025-69413 at a Glance

CVE Identifier CVE-2025-69413
GHSA Identifier GHSA-pc73-rj2c-wvf9
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-204: Observable Response Discrepancy
Affected Product Code.gitea.io/gitea
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 5.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2025-69413

To remediate this vulnerability, upgrade all affected Code.gitea.io/gitea dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

code.gitea.io/gitea fixed: 1.25.2 
Upgrade code.gitea.io/gitea to 1.25.2
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for code.gitea.io/gitea

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-69413, inspect your project dependencies for Code.gitea.io/gitea:

inspect dependencies for code.gitea.io/gitea

Analyze the terminal output to locate any version of Code.gitea.io/gitea in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.25.2), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-204: Observable Response Discrepancy, where the product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere. In Code.gitea.io/gitea, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

In Gitea before 1.25.2, /api/v1/user has different responses for failed authentication depending on whether a username exists.

CVE-2025-69413 Affected Code.gitea.io/gitea Versions

1 component(s)
Fixed Versions:
1.25.2
Product / Package Ecosystem Affected Versions Fixed Version
code.gitea.io/gitea
golang/code.gitea.io/gitea
Go
< 1.25.2
1.25.2

References

NVD — CVE-2025-69413 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-69413
Code.gitea.io/gitea Source Repository REPOSITORY
https://github.com/go-gitea/gitea/issues/35984
Code.gitea.io/gitea Source Repository REPOSITORY
https://github.com/go-gitea/gitea/pull/36002
blog.gitea.com/release-of-1.25.2 WEB
https://blog.gitea.com/release-of-1.25.2
Code.gitea.io/gitea Source Repository REPOSITORY
https://github.com/go-gitea/gitea
Code.gitea.io/gitea Release RELEASE
https://github.com/go-gitea/gitea/releases/tag/v1.25.2

Frequently Asked Questions

What is CVE-2025-69413?
CVE-2025-69413 is a security vulnerability in Code.gitea.io/gitea involving Gitea's /api/v1/user endpoint has different responses for failed authentication depending on whether a username exists under CWE-204: Observable Response Discrepancy.
Which Code.gitea.io/gitea versions are affected?
Affected versions include releases prior to 1.25.2 across affected packages: code.gitea.io/gitea.
What version fixes CVE-2025-69413?
Upgrading to 1.25.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is code.gitea.io/gitea affected?
Yes, code.gitea.io/gitea is affected in releases prior to 1.25.2. Upgrade your dependency to 1.25.2 or later.
What is the CVSS score of CVE-2025-69413?
CVE-2025-69413 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2025-69413?
CVE-2025-69413 is classified under CWE-204: Observable Response Discrepancy (The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere.).
How can I check Go dependencies for CVE-2025-69413?
Run the dependency tree command: 'inspect dependencies for code.gitea.io/gitea'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-pc73-rj2c-wvf9",
  "modified" : "2026-01-02T15:52:49Z",
  "published" : "2026-01-01T06:30:23Z",
  "aliases" : [ "CVE-2025-69413" ],
  "summary" : "Gitea's /api/v1/user endpoint has different responses for failed authentication depending on whether a username exists",
  "details" : "In Gitea before 1.25.2, /api/v1/user has different responses for failed authentication depending on whether a username exists.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "code.gitea.io/gitea"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.25.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-69413"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/issues/35984"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/pull/36002"
  }, {
    "type" : "WEB",
    "url" : "https://blog.gitea.com/release-of-1.25.2"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/go-gitea/gitea"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/releases/tag/v1.25.2"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-204" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-01-02T15:52:49Z",
    "nvd_published_at" : "2026-01-01T05:16:03Z"
  }
}