CVE-2026-22547: Code.gitea.io/gitea Gitea Repository Creation Accepts Insufficiently Vulnerability

CRITICAL
Advisory Identifier: GHSA-922f-hfwp-p56f
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CVSS 9.1
CWE-20
Published
Advisory Summary

CVE-2026-22547 is a CRITICAL (CVSS 9.1) gitea repository creation accepts insufficiently vulnerability (CWE-20: Improper Input Validation) affecting Code.gitea.io/gitea libraries in the Go ecosystem. The issue involves gitea repository creation accepts insufficiently validated fields. Remediation is available by upgrading affected packages to version 1.25.5.

CVE-2026-22547 at a Glance

CVE Identifier CVE-2026-22547
GHSA Identifier GHSA-922f-hfwp-p56f
Severity CRITICAL
CVSS v3.1 Base Score 9.1
CWE Classification CWE-20: Improper Input Validation
Affected Product Code.gitea.io/gitea
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 9.1

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:H/I:H/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 High (C:H)
Integrity High (I:H)
Availability None (A:N)

How to Fix CVE-2026-22547

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: 1.25.5 
Upgrade code.gitea.io/gitea to 1.25.5
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-2026-22547, 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 1.25.5), 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-20: Improper Input Validation, where the product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. 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

Gitea versions before 1.25.5 lack validation constraints for repository creation fields, including length-limited template fields and trust model or object format values.

CVE-2026-22547 Affected Code.gitea.io/gitea Versions

1 component(s)
Fixed Versions:
1.25.5
Product / Package Ecosystem Affected Versions Fixed Version
code.gitea.io/gitea
golang/code.gitea.io/gitea
Go
< 1.25.5
1.25.5

References

NVD — CVE-2026-22547 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-22547
Code.gitea.io/gitea Source Repository REPOSITORY
https://github.com/go-gitea/gitea/pull/36671
Code.gitea.io/gitea Source Repository REPOSITORY
https://github.com/go-gitea/gitea/pull/36757
Security Fix Commit FIX COMMIT
https://github.com/go-gitea/gitea/commit/569c49debe06f30a2bbb50b3812e705c556b8adf
Security Fix Commit FIX COMMIT
https://github.com/go-gitea/gitea/commit/b3bc79262d106f4259f82a26609e4738b618152b
blog.gitea.com/release-of-1.25.5 WEB
https://blog.gitea.com/release-of-1.25.5
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/v1.25.5

Frequently Asked Questions

What is CVE-2026-22547?
CVE-2026-22547 is a security vulnerability in Code.gitea.io/gitea involving Gitea repository creation accepts insufficiently validated fields under CWE-20: Improper Input Validation.
Which Code.gitea.io/gitea versions are affected?
Affected versions include releases prior to 1.25.5 across affected packages: code.gitea.io/gitea.
What version fixes CVE-2026-22547?
Upgrading to 1.25.5 (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 1.25.5. Upgrade your dependency to 1.25.5 or later.
What is the CVSS score of CVE-2026-22547?
CVE-2026-22547 has a CVSS v3.1 base score of 9.1 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
What CWE is associated with CVE-2026-22547?
CVE-2026-22547 is classified under CWE-20: Improper Input Validation (The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.).
How can I check Go dependencies for CVE-2026-22547?
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-922f-hfwp-p56f",
  "modified" : "2026-09-01T17:19:09Z",
  "published" : "2026-07-03T21:31:37Z",
  "aliases" : [ "CVE-2026-22547" ],
  "summary" : "Gitea repository creation accepts insufficiently validated fields",
  "details" : "Gitea versions before 1.25.5 lack validation constraints for repository creation fields, including length-limited template fields and trust model or object format values.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "code.gitea.io/gitea"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.25.5"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-22547"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/pull/36671"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/pull/36757"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/commit/569c49debe06f30a2bbb50b3812e705c556b8adf"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/commit/b3bc79262d106f4259f82a26609e4738b618152b"
  }, {
    "type" : "WEB",
    "url" : "https://blog.gitea.com/release-of-1.25.5"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/go-gitea/gitea"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/releases/tag/v1.25.5"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-20" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-09-01T17:19:09Z",
    "nvd_published_at" : "2026-07-03T21:16:56Z"
  }
}