CVE-2026-114657
Grav 2.0.0 before 2.2.5 HTTP Basic Credential Disclosure via Twig Uri
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 22, 2026
- Updated
- Oct 28, 2026
- Reserved
- Oct 21, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.7 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Affected Products
| Product | Versions |
|---|---|
gravgetgrav |
|
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 Urithird-party-advisory
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