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Medium

Cap v0.3.1 Broken Access Control via video comment endpoint

Type: advisorySources: OSV

Cap v0.3.1 contains a broken access control vulnerability in the POST /api/video/comment endpoint that allows authenticated users to post comments on any private video without permission by supplying an arbitrary videoId in the request body. Attackers can inject comments into private video recordings belonging to other users, trigger comment notification emails to the video owner, and enumerate valid video IDs through response differences.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-69113
Confirmed fixed CVEs
Not specified
Updated in this feed
6 Nov 2026, 02:42 UTC · Revision 1

Source evidence

Cap v0.3.1 Broken Access Control via video comment endpoint

core-osv · Original source

Published 11 Aug 2026, 18:13 UTC

Cap v0.3.1 contains a broken access control vulnerability in the POST /api/video/comment endpoint that allows authenticated users to post comments on any private video without permission by supplying an arbitrary videoId in the request body. Attackers can inject comments into private video recordings belonging to other users, trigger comment notification emails to the video owner, and enumerate valid video IDs through response differences.

osv:CVE-2026-69113
Complete source record
{
  "id": "6385112d1ac0d211b9201cf3b047eb7e293c5f614209d0eeb3b53f96b63daaf5",
  "url": "https://osv.dev/vulnerability/CVE-2026-69113",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Cap v0.3.1 Broken Access Control via video comment endpoint",
    "summary": "Cap v0.3.1 contains a broken access control vulnerability in the POST /api/video/comment endpoint that allows authenticated users to post comments on any private video without permission by supplying an arbitrary videoId in the request body. Attackers can inject comments into private video recordings belonging to other users, trigger comment notification emails to the video owner, and enumerate valid video IDs through response differences.",
    "evidence": "osv:CVE-2026-69113",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-69113",
      "aliases": [
        "CVE-2026-69113"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/capsoftware/cap",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1b812d88958f784ee66d2eace60e731624832c9d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.3.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "1b812d88958f784ee66d2eace60e731624832c9d"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "cap-nightly-v0.5.8-nightly.202607290403",
            "cap-v0.5.7",
            "cap-nightly-v0.5.7-nightly.202607170401",
            "cap-nightly-v0.5.7-nightly.202607130414",
            "cap-v0.5.6",
            "cap-nightly-v0.5.7-nightly.202607090421",
            "cap-nightly-v0.5.6-nightly.202607080404",
            "cap-nightly-v0.5.6-nightly.202607071602",
            "cap-v0.5.5",
            "cap-nightly-v0.5.6-nightly.202607070759",
            "cap-v0.5.4",
            "cap-v0.5.2",
            "cap-v0.5.1",
            "cap-v0.5.0",
            "cap-v0.4.87",
            "cap-v0.4.86",
            "cap-v0.4.85",
            "cap-v0.4.84",
            "cap-v0.4.83",
            "cap-v0.4.82",
            "cap-v0.4.81",
            "cap-v0.4.8",
            "cap-v0.4.71",
            "cap-v0.4.7",
            "cap-v0.4.6",
            "cap-v0.4.5",
            "cap-v0.4.4",
            "cap-v0.4.3",
            "cap-v0.4.2",
            "untagged-e11fa29aaf3da04ee617",
            "cap-v0.4.1",
            "cap-v0.4.0",
            "cap-v0.3.84",
            "cap-v0.3.83",
            "cap-v0.3.81",
            "cap-v0.3.80",
            "cap-v0.3.79",
            "cap-v0.3.78",
            "cap-v0.3.77",
            "cap-v0.3.76",
            "cap-v0.3.75",
            "cap-v0.3.74",
            "cap-v0.3.73",
            "cap-v0.3.72",
            "cap-v0.3.72-beta.1",
            "cap-v0.3.71",
            "cap-v0.3.70",
            "cap-v0.3.69",
            "cap-v0.3.68",
            "cap-v0.3.67",
            "cap-v0.3.66",
            "cap-v0.3.65",
            "cap-v0.3.64",
            "cap-v0.3.63",
            "cap-v0.3.62",
            "cap-v0.3.60",
            "cap-v0.3.58",
            "cap-v0.3.57",
            "cap-v0.3.56",
            "cap-v0.3.55",
            "cap-v0.3.52",
            "cap-v0.3.51",
            "cap-v0.3.50",
            "cap-v0.3.49",
            "cap-v0.3.48",
            "cap-v0.3.47",
            "cap-v0.3.46",
            "cap-v0.3.45",
            "cap-v0.3.44",
            "cap-v0.3.43",
            "cap-v0.3.42",
            "cap-v0.3.41",
            "cap-v0.3.40",
            "cap-v0.3.39",
            "cap-v0.3.38",
            "cap-v0.3.37",
            "cap-v0.3.36",
            "cap-v0.3.35",
            "cap-v0.3.34",
            "cap-v0.3.33",
            "cap-v0.3.32",
            "cap-v0.3.31",
            "cap-v0.3.30",
            "cap-v0.3.29",
            "cap-v0.3.28",
            "cap-v0.3.26",
            "cap-v0.3.25",
            "cap-v0.3.24",
            "cap-v0.3.23",
            "cap-v0.3.22",
            "cap-v0.3.21",
            "cap-v0.3.20",
            "cap-v0.3.19",
            "cap-v0.3.18",
            "cap-v0.3.17",
            "cap-v0.3.16",
            "cap-v0.3.15",
            "cap-v0.3.14",
            "cap-v0.3.13",
            "cap-v0.3.12",
            "cap-v0.3.11",
            "cap-v0.3.10",
            "cap-v0.3.1-alpha.26",
            "cap-v0.3.1-alpha.25",
            "cap-v0.3.1",
            "cap-v0.3.0-beta.9.2",
            "cap-v0.3.0-beta.9.1",
            "cap-v0.3.0-beta.9",
            "cap-v0.3.0-beta.8",
            "cap-v0.3.0-beta.7",
            "cap-v0.3.0-beta.6",
            "cap-v0.3.0-beta.5.8",
            "cap-v0.3.0-beta.5.7.4",
            "cap-v0.3.0-beta.5.7.3",
            "cap-v0.3.0-beta.5.7.2",
            "cap-v0.3.0-beta.5.7.1",
            "cap-v0.3.0-beta.5.6.1",
            "cap-v0.3.0-beta.5.6",
            "cap-v0.3.0-beta.5.5",
            "cap-v0.3.0-beta.5.4",
            "cap-v0.3.0-beta.5.3",
            "cap-v0.3.0-beta.5.2",
            "cap-v0.3.0-beta.5.1",
            "cap-v0.3.0-beta.5",
            "cap-v0.3.0-beta.4",
            "cap-v0.3.0-beta.2",
            "cap-v0.3.0-alpha.27",
            "cap-v0.3.0-alpha.25",
            "cap-v0.3.0-alpha.24",
            "cap-v0.3.0-alpha.23",
            "cap-v0.3.0-alpha.22",
            "cap-v0.3.0-alpha.21",
            "cap-v0.3.0-alpha.20",
            "cap-v0.3.0-alpha.19",
            "cap-v0.3.0-alpha.18",
            "cap-v0.3.0-alpha.17",
            "cap-v0.3.0-alpha.16",
            "cap-v0.3.0-alpha.15",
            "cap-v0.3.0-alpha.14",
            "cap-v0.3.0-alpha.13",
            "cap-v0.3.0-alpha.12",
            "cap-v0.3.0-alpha.11",
            "cap-v0.3.0-alpha.10",
            "cap-v0.3.0-alpha.5",
            "cap-v0.3.0-alpha.4",
            "cap-v0.3.0-alpha.3",
            "cap-v0.3.0-alpha.2",
            "cap-v0.3.0-alpha.1",
            "cap-v0.3.0-alpha.0",
            "cap-v0.2.9",
            "cap-v0.2.6",
            "cap-v0.2.5",
            "cap-v0.2.4",
            "cap-v0.2.3",
            "cap-v0.1.8",
            "cap-v0.1.7",
            "cap-v0.1.6",
            "cap-v0.1.5",
            "cap-v0.1.4",
            "cap-v0.1.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-69113.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:46.199958204Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/69xxx/CVE-2026-69113.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-69113",
        "https://www.vulncheck.com/advisories/cap-broken-access-control-via-video-comment-endpoint",
        "https://github.com/CapSoftware/Cap/issues/1982",
        "https://github.com/CapSoftware/Cap/commit/1b812d88958f784ee66d2eace60e731624832c9d",
        "https://github.com/CapSoftware/Cap"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-862"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/69xxx/CVE-2026-69113.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-69113",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 514376,
  "published_at": "2026-08-11T18:13:39.653+00:00"
}