What is CVE-2026-73090?

CVE-2026-73090 is a critical-severity vulnerability in Chocobozzz Peertube, classified under Incorrect Authorization. CVSS score: 9.3/10. Published 2026-08-11.

How severe is CVE-2026-73090?

Critical severity. CVSS v3 base score is 9.3 out of 10.

Auth bypass in Chocobozzz Peertube

CVE-2026-73090

PeerTube is an ActivityPub-federated video streaming platform. Prior to 8.2.2, processUpdateActivity and processUpdateVideo accept an ActivityPub Update containing a Video object without verifying that byActor.url is authorized for the hos…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N.

Affected products

Chocobozzz Peertube — versions < 8.2.2

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-73090?: CVE-2026-73090 is a critical-severity vulnerability in Chocobozzz Peertube, classified under Incorrect Authorization. CVSS score: 9.3/10. Published 2026-08-11.
How severe is CVE-2026-73090?: Critical severity. CVSS v3 base score is 9.3 out of 10.