CVE-2026-27660: Code.gitea.io/gitea Gitea Draft Releases And Attachments Vulnerability

HIGH
Advisory Identifier: GHSA-x92v-f5gc-r34v
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CVSS 7.5
CWE-284
Published
Advisory Summary

CVE-2026-27660 is a HIGH (CVSS 7.5) gitea draft releases and attachments vulnerability (CWE-284: Improper Access Control) affecting Code.gitea.io/gitea libraries in the Go ecosystem. The issue involves gitea draft releases and attachments are exposed without write permission. Remediation is available by upgrading affected packages to version 1.25.5.

CVE-2026-27660 at a Glance

CVE Identifier CVE-2026-27660
GHSA Identifier GHSA-x92v-f5gc-r34v
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-284: Improper Access Control
Affected Product Code.gitea.io/gitea
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 7.5

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

How to Fix CVE-2026-27660

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-2026-27660, 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-284: Improper Access Control, where the product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. 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 allow draft release data or attachments to be accessed without the required write permission.

CVE-2026-27660 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-2026-27660 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-27660
Code.gitea.io/gitea Source Repository REPOSITORY
https://github.com/go-gitea/gitea/pull/36659
Code.gitea.io/gitea Source Repository REPOSITORY
https://github.com/go-gitea/gitea/pull/36715
Security Fix Commit FIX COMMIT
https://github.com/go-gitea/gitea/commit/1eced4a7c099459af42412bb32a83241650c0f8f
Security Fix Commit FIX COMMIT
https://github.com/go-gitea/gitea/commit/e7fca90a780e4d35eb1fa67b1f377ebd54e74611
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-2026-27660?
CVE-2026-27660 is a security vulnerability in Code.gitea.io/gitea involving Gitea draft releases and attachments are exposed without write permission under CWE-284: Improper Access Control.
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-2026-27660?
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-2026-27660?
CVE-2026-27660 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
What CWE is associated with CVE-2026-27660?
CVE-2026-27660 is classified under CWE-284: Improper Access Control (The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.).
How can I check Go dependencies for CVE-2026-27660?
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-x92v-f5gc-r34v",
  "modified" : "2026-09-01T18:55:10Z",
  "published" : "2026-07-03T21:31:37Z",
  "aliases" : [ "CVE-2026-27660" ],
  "summary" : "Gitea draft releases and attachments are exposed without write permission",
  "details" : "Gitea versions before 1.25.5 allow draft release data or attachments to be accessed without the required write permission.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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-2026-27660"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/pull/36659"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/pull/36715"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/commit/1eced4a7c099459af42412bb32a83241650c0f8f"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/commit/e7fca90a780e4d35eb1fa67b1f377ebd54e74611"
  }, {
    "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-284" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-09-01T18:55:10Z",
    "nvd_published_at" : "2026-07-03T21:16:58Z"
  }
}