CVE-2026-69113
Cap v0.3.1 Broken Access Control via video comment endpoint
CVE-2026-69113 is a medium vulnerability (CVSS 5.3) in Cap, published August 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Cap v0.3.1 Broken Access Control via video comment endpoint
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.
- Record
CVE-2026-69113- CVSS 4.0
- 5.3 Medium
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 - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2026-56853
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.
- Record
EUVD-2026-56853- CVSS 4.0
- 5.3 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-g8pr-hj3h-h4pm
Cap v0.3.1 contains a broken access control vulnerability in the POST /api/video/comment endpoint...
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.
- Record
GHSA-g8pr-hj3h-h4pm- CVSS 4.0
- 5.3 Medium
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-69113- CVSS 4.0
- 5.3 Medium
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
OSV
Cap v0.3.1 Broken Access Control via video comment endpoint
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.
- Record
CVE-2026-69113- CVSS 4.0
- 5.3 Medium
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 - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-02 | created | CVE List, EUVD, GitHub Advisories, NVD, OSV |
References
github.com/CapSoftware/Cap
vulncheck.com/advisories/cap-broken-access-control-via-video-comment-endpoint
nvd.nist.gov/vuln/detail/CVE-2026-69113