Grav Login OAuth plugin (grav-plugin-login-oauth) before 1.4.3 provisions OAuth accounts as ordinary Grav users with a deterministic . username and an unsalted MD5 hash of the provider identifier as the password, without disabling password login. Unauthenticated remote attackers who learn or guess a provider identifier can reproduce these credentials and log in, gaining administrative control of privileged accounts.
Critical 9.1
CVE-2026-109321
getgrav grav-plugin-login-oauth — Unauthenticated remote attackers who learn or guess a provider identifier can reproduce these…
username and an unsalted MD5 hash of the provider identifier as the password, without disabling password login.
WeaknessCWE-1391
Published Updated Source NVD
CVSS 3.1
9.1
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Exploit chance, 30 days
0.4%
Higher than 34% of all CVEs (EPSS)
Status
No known exploitation
Not in CISA KEV
Patch
Unknown
Check the vendor advisory
What happened
What to do
- 01Check whether you run getgrav grav-plugin-login-oauth, and which version.
- 02Follow the vendor advisory for a fix or a workaround.
References
Timeline · UTC
- Published to NVD
- NVD record updated
Also actively exploited
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1 more CVE