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Vulnerabilities

CVE-2026-87897 | BDVDB-2026-396263 Detail

Nextcloudwhiteboard

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.

Impact#

Per CVSS v3.0: confidentiality impact low, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

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

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.
  2. Version 2Most recent update recorded in the CVE List.