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Vulnerability record · CVE-2026-65895 · published 23 July 2026

CVE-2026-65895: Missing authorization vulnerability

Grav API Plugin versions before 1.0.10 fail to restrict write access to security-critical plugin configuration scopes, allowing authenticated users with api.config.write privilege to modify rate limiting and CORS settings. Attackers can disable rate limiting site-wide to enable credential brute-forcing attacks and reconfigure CORS policies to include attacker-controlled origins with credentials enabled.

8.2 CVSS 4.0 High EPSS 0.33% · top 76.6% CWE-862 · Missing authorization Deferred
8.2CVSS 4.0 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
28 Aug 2026Last modified by NVD

Description

Grav API Plugin versions before 1.0.10 fail to restrict write access to security-critical plugin configuration scopes, allowing authenticated users with api.config.write privilege to modify rate limiting and CORS settings. Attackers can disable rate limiting site-wide to enable credential brute-forcing attacks and reconfigure CORS policies to include attacker-controlled origins with credentials enabled.

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/getgrav/grav-plugin-api/commit/f9438d4e71389b1041ac60b69b0b5714ecfa3bdd
https://github.com/getgrav/grav/security/advisories/GHSA-4pqv-2qj5-38fp
https://www.vulncheck.com/advisories/grav-api-plugin-before-broken-access-control
https://github.com/getgrav/grav/security/advisories/GHSA-4pqv-2qj5-38fp

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Source: NIST National Vulnerability Database (record CVE-2026-65895), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.