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VulnerabilityPublished Updated

CVE-2026-73090: Chocobozzz PeerTube · Incorrect Authorization

Affects Chocobozzz PeerTubeSource CVE Database V5

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Not known to be exploited · CVSS 9.3 Critical : upgrade to 8.2.2 as a priority.

Data as of 9 Nov 2026, 23:24 UTC

CVSS 3.1 base score
9.3Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 33% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 8.2.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.

What to do

Upgrade PeerTube and chocobozzz/PeerTube to 8.2.2.

Affected software

ProductAffectedFixed in
ChocobozzzPeerTubeAffected
  • <8.2.2
Fixed in
  • 8.2.2
GitHubchocobozzz/PeerTubepkg:github/chocobozzz/PeerTubeOther threatsAffected
  • <8.2.2
Fixed in
  • 8.2.2

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade PeerTube to version 8.2.2 or later, where this authorization issue is fixed. No other mitigation or workaround is documented. Patch status is not explicitly stated in the input data, but the fix is confirmed in version 8.2.2.

Description

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 host in videoObject.id, allowing a malicious federated server to rewrite another server's video metadata, visibility, media file, and HLS URLs. This issue is fixed in version 8.2.2.

References

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