Escape Sequence Injection vulnerability in Rack lead to Possible Log Injection (rack rack)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.75 % · percentile 55 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- GitHub_M
- NVD status
- Modified
Description
Rack is a modular Ruby web server interface. The Rack::Sendfile middleware logs unsanitised header values from the X-Sendfile-Type header. An attacker can exploit this by injecting escape sequences (such as newline characters) into the header, resulting in log injection. This vulnerability is fixed in 2.2.12, 3.0.13, and 3.1.11.
Weaknesses (CWE)
- CWE-93 — Improper Neutralization of CRLF Sequences
- CWE-117 — Improper Output Neutralization for Logs
References
- https://github.com/rack/rack/security/advisories/GHSA-8cgq-6mh2-7j6v
- https://github.com/rack/rack/commit/803aa221e8302719715e224f4476e438f2531a53
- https://github.com/rack/rack/commit/aeac570bb8080ca7b53b7f2e2f67498be7ebd30b
- https://github.com/rack/rack/commit/b13bc6bfc7506aca3478dc5ac1c2ec6fc53f82a3
- https://lists.debian.org/debian-lts-announce/2025/03/msg00016.html
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 4.0 | MEDIUM 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N | GitHub_M |
| CVSS 4.0 | MEDIUM 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/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:X/V:X/RE:X/U:X | NVD · security-advisories@github.com (Secondary) |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N | NVD · nvd@nist.gov (Primary) |
Advisories
- GHSA-8cgq-6mh2-7j6v — Escape Sequence Injection vulnerability in Rack lead to Possible Log Injection
European references
- ENISA EUVD · EUVD-2025-6155
- GCVE · GCVE-0-2025-27111
CERT-FR advisories
- CERTFR-2026-AVI-0326 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-1129 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:rack:rack:*:*:*:*:*:ruby:*:*< 2.2.12cpe:2.3:a:rack:rack:*:*:*:*:*:ruby:*:*≥ 3.0.0 < 3.0.13cpe:2.3:a:rack:rack:*:*:*:*:*:ruby:*:*≥ 3.1.0 < 3.1.11
Affected products
| Product | Versions |
|---|---|
| rack · rack | affected < 2.2.12 ; affected >= 3.0, < 3.0.13 ; affected >= 3.1, < 3.1.11 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |