CVE-2026-22592: Gogs.io/gogs Denial of Service Vulnerability

MODERATE
Advisory Identifier: GHSA-cr88-6mqm-4g57
CVSS 6.5
CWE-862
Published
Advisory Summary

CVE-2026-22592 is a MODERATE (CVSS 6.5) denial of service vulnerability (CWE-862: Missing Authorization) affecting Gogs.io/gogs libraries in the Go ecosystem. The issue involves gogs has a denial of service issue. Remediation is available by upgrading affected packages to version 0.13.4.

CVE-2026-22592 at a Glance

CVE Identifier CVE-2026-22592
GHSA Identifier GHSA-cr88-6mqm-4g57
Severity MODERATE
CVSS v3.1 Base Score 6.5
CWE Classification CWE-862: Missing Authorization
Affected Product Gogs.io/gogs
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 6.5

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

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

How to Fix CVE-2026-22592

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

gogs.io/gogs fixed: 0.13.4
Upgrade gogs.io/gogs to 0.13.4
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 gogs.io/gogs

How to Check if You Are Affected

To determine whether your application is affected by CVE-2026-22592, inspect your project dependencies for Gogs.io/gogs:

inspect dependencies for gogs.io/gogs

Analyze the terminal output to locate any version of Gogs.io/gogs in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.13.4), 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-862: Missing Authorization, where the product does not perform an authorization check when an actor attempts to access a resource or perform an action. In Gogs.io/gogs, 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

### Summary An authenticated user can cause a DOS attack. If one of the repo files is deleted before synchronization, it will cause the application to crash. ### Details If GetMirrorByRepoID fails, the error log dereferencing null pointer. This happens if the repository no longer exits. https://github.com/gogs/gogs/blob/4cc83c498b6ae59356a04912d68a932165bad5e6/internal/database/mirror.go#L333-L337 if `err != nil` `m` is alwasa `nil` https://github.com/gogs/gogs/blob/4cc83c498b6ae59356a04912d68a932165bad5e6/internal/database/mirror.go#L269-L278 ### PoC Spam mirror-sync on repo and delete this repo code python spam mirror-sync ```py import requests url = "http://gogs.lan:3000/superuser/gobypass403/settings" headers = { "Cookie": "lang=en-US; i_like_gogs=fe32281ab84ae868; _csrf=UCw6xvqR-L7YLBMPjujwjywxy8s6MTc2NDc3NDQ2NDE1MzU5ODQ3Mg", } data = { "_csrf": "UCw6xvqR-L7YLBMPjujwjywxy8s6MTc2NDc3NDQ2NDE1MzU5ODQ3Mg", "action": "mirror-sync", } while True: print("syncing") response = requests.post(url, headers=headers, data=data) ``` ### Impact Denial of Service server crash.

CVE-2026-22592 Affected Gogs.io/gogs Versions

1 component(s)
Fixed Versions:
0.13.4
Product / Package Ecosystem Affected Versions Fixed Version
gogs.io/gogs
Go
< 0.13.4
0.13.4

References

Frequently Asked Questions

What is CVE-2026-22592?
CVE-2026-22592 is a security vulnerability in Gogs.io/gogs involving Gogs has a Denial of Service issue under CWE-862: Missing Authorization.
Which Gogs.io/gogs versions are affected?
Affected versions include releases prior to 0.13.4 across affected packages: gogs.io/gogs.
What version fixes CVE-2026-22592?
Upgrading to 0.13.4 (or the latest patched release for your respective branch) resolves the vulnerability.
Is gogs.io/gogs affected?
Yes, gogs.io/gogs is affected in releases prior to 0.13.4. Upgrade your dependency to 0.13.4 or later.
What is the CVSS score of CVE-2026-22592?
CVE-2026-22592 has a CVSS v3.1 base score of 6.5 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2026-22592?
CVE-2026-22592 is classified under CWE-862: Missing Authorization (The product does not perform an authorization check when an actor attempts to access a resource or perform an action.).
How can I check Go dependencies for CVE-2026-22592?
Run the dependency tree command: 'inspect dependencies for gogs.io/gogs'. 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
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-cr88-6mqm-4g57",
  "modified" : "2026-02-06T19:06:50Z",
  "published" : "2026-02-06T18:08:16Z",
  "aliases" : [ "CVE-2026-22592" ],
  "summary" : "Gogs has a Denial of Service issue",
  "details" : "### Summary\nAn authenticated user can cause a DOS attack. If one of the repo files is deleted before synchronization, it will cause the application to crash.\n\n### Details\nIf GetMirrorByRepoID fails, the error log dereferencing null pointer. This happens if the repository no longer exits.\nhttps://github.com/gogs/gogs/blob/4cc83c498b6ae59356a04912d68a932165bad5e6/internal/database/mirror.go#L333-L337\nif `err != nil` `m` is alwasa `nil`\nhttps://github.com/gogs/gogs/blob/4cc83c498b6ae59356a04912d68a932165bad5e6/internal/database/mirror.go#L269-L278\n### PoC\nSpam mirror-sync on repo and delete this repo\ncode python spam mirror-sync\n```py\nimport requests\n\nurl = \"http://gogs.lan:3000/superuser/gobypass403/settings\"\nheaders = {\n    \"Cookie\": \"lang=en-US; i_like_gogs=fe32281ab84ae868; _csrf=UCw6xvqR-L7YLBMPjujwjywxy8s6MTc2NDc3NDQ2NDE1MzU5ODQ3Mg\",\n}\n\ndata = {\n    \"_csrf\": \"UCw6xvqR-L7YLBMPjujwjywxy8s6MTc2NDc3NDQ2NDE1MzU5ODQ3Mg\",\n    \"action\": \"mirror-sync\",\n}\n\nwhile True:\n    print(\"syncing\")\n    response = requests.post(url, headers=headers, data=data)\n```\n### Impact\nDenial of Service server crash.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "gogs.io/gogs"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.13.4"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 0.13.3"
    }
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/gogs/gogs/security/advisories/GHSA-cr88-6mqm-4g57"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-22592"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/gogs/gogs/commit/961a79e8f9f2b3190ea804bcf635e4b43b123272"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/gogs/gogs"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/gogs/gogs/blob/4cc83c498b6ae59356a04912d68a932165bad5e6/internal/database/mirror.go#L269-L278"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/gogs/gogs/blob/4cc83c498b6ae59356a04912d68a932165bad5e6/internal/database/mirror.go#L333-L337"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-862" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-02-06T18:08:16Z",
    "nvd_published_at" : "2026-02-06T18:15:56Z"
  }
}