CVE-2026-86193 PUBLISHED

Grav API Plugin Authentication Bypass via Group-Inherited Super

Assigner: VulnCheck
Reserved: 05.09.2026 Published: 05.09.2026 Updated: 05.09.2026

grav-plugin-api before 1.0.20 fails to validate group-inherited super permissions in user-management guards, allowing non-super user managers to modify super-admin accounts. Attackers with api.access and api.users.write can patch password fields on group-super accounts to gain full administrative control.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.7

Product Status

Vendor getgrav
Product grav-plugin-api
Versions Default: unaffected
  • affected from 0 to 1.0.20 (excl.)
  • Version 1.0.20 is unaffected

Credits

  • 1K0CT reporter

References

Problem Types

  • Incorrect Authorization CWE