CVE-2026-87897

State
Published
Severity
4.6 Medium
Published
Oct 27, 2026
Updated
Oct 27, 2026
Reserved
Sep 9, 2026

Read the record on cve.org

Description

A SSRF vulnerability found that enables access to internal Chrome Devtools Protocol APIs that can leak the JWT authentication token for another user. A low privileged attacker could continually exploit this vulnerability to leak the JWT authentication token for another user when they start a recording, which then enables the attacker read/write access to the victim's Whiteboard.

Scores

CVSSScoreVectorSource
3.04.6 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:Nhackerone

Weaknesses

  • CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

ProductVersions
whiteboardNextcloud
  • 1.0.0 to before 1.0.0Affected

References

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