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Critical

Security advisory

Type: advisorySources: OSVCVE: CVE-2018-18925

Gogs 0.11.66 allows remote code execution because it does not properly validate session IDs, as demonstrated by a ".." session-file forgery in the file session provider in file.go. This is related to session ID handling in the go-macaron/session code for Macaron.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2018-18925
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 10:28 UTC · Revision 1

Source evidence

CVE-2018-18925

core-osv · Original source

Published 4 Nov 2018, 05:29 UTC

Gogs 0.11.66 allows remote code execution because it does not properly validate session IDs, as demonstrated by a ".." session-file forgery in the file session provider in file.go. This is related to session ID handling in the go-macaron/session code for Macaron.

osv:CVE-2018-18925
Complete source record
{
  "id": "3b5f7c38f446429d9e6f71d7068e4ea5709d2f183f119b6c12124055f84b8256",
  "url": "https://osv.dev/vulnerability/CVE-2018-18925",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-18925",
    "summary": "Gogs 0.11.66 allows remote code execution because it does not properly validate session IDs, as demonstrated by a \"..\" session-file forgery in the file session provider in file.go. This is related to session ID handling in the go-macaron/session code for Macaron.",
    "evidence": "osv:CVE-2018-18925",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2018-18925",
      "aliases": [
        "CVE-2018-18925"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gogs/gogs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "3a4c981e3167875a3b60d0cee00ee85272608439"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gogs:gogs:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.11.66"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.11.66",
            "v0.11.53",
            "v0.11.43",
            "v0.11.34",
            "v0.11.33",
            "v0.11.29",
            "v0.11.19",
            "v0.11.4",
            "v0.11",
            "v0.11rc",
            "v0.10.18",
            "v0.10.8",
            "v0.10",
            "v0.10rc",
            "v0.9.141",
            "v0.9.128",
            "v0.9.113",
            "v0.9.97",
            "v0.9.71",
            "v0.9.60",
            "v0.9.48",
            "v0.9.46",
            "v0.9.13",
            "v0.9.0",
            "v0.8.43",
            "v0.8.25",
            "v0.8.10",
            "v0.8.0",
            "v0.7.33",
            "v0.7.22",
            "v0.7.19",
            "v0.7.6",
            "v0.7.0",
            "v0.6.15",
            "v0.6.9",
            "v0.6.3",
            "v0.6.1",
            "v0.5.13",
            "v0.5.11",
            "v0.5.9",
            "v0.5.8",
            "v0.5.5",
            "v0.5.2",
            "v0.5.0",
            "v0.4.2",
            "v0.4.1",
            "v0.4.0",
            "v0.3.1",
            "v0.3.0",
            "v0.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18925.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:22.856229985Z",
      "provider": "osv",
      "references": [
        "https://github.com/gogs/gogs/issues/5469"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-18925",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381636,
  "published_at": "2018-11-04T05:29:00.397+00:00"
}