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BDVDB
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Vulnerabilities

CVE-2026-58656 | BDVDB-2026-346346 Detail

getgravgrav

Description#

Grav API plugin before v1.0.0-rc.16 accepts JWT tokens via the ?token= URL query parameter and responds with Access-Control-Allow-Origin: *, allowing unauthenticated attackers to make fully authenticated cross-origin API requests from any malicious website. Attackers who obtain a leaked JWT token from access logs, proxy logs, browser history, or Referrer headers can create persistent backdoor super-admin accounts and exfiltrate sensitive configuration and user data.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

  • CWE-598 Use of GET Request Method With Sensitive Query Strings

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.