Vulnerability · Published Oct 22, 2026 · Assigned by VulnCheck
CVE-2026-114657Grav 2.0.0 before 2.2.5 HTTP Basic Credential Disclosure via Twig Uri
Medium 5.7
In plain English
A medium-severity information exposure in grav from getgrav. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).
Severity (CVSS 3.1)5.7Medium
Exploit odds (30 days)0.2%top 87.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Grav from 2.0.0 before 2.2.5 contains an information disclosure vulnerability that allows page authors to capture visitors' HTTP Basic credentials through Twig page content. Authors can print the request Uri object, which embeds PHP_AUTH_USER and PHP_AUTH_PW, inside an inline style background image to exfiltrate administrators' credentials to an external host.
Affected products (as reported)
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
References
- GitHub Security Advisory (GHSA-c85g-q5w4-ff68) vendor-advisory
- VulnCheck Advisory: Grav 2.0.0 before 2.2.5 HTTP Basic Credential Disclosure via Twig Uri third-party-advisory