CVE-2025-27111

Summary

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.

Affected Software

VendorProductVersion RangeStatus
rackrack< 2.2.12affected
rackrack>= 3.0, < 3.0.13affected
rackrack>= 3.1, < 3.1.11affected

Weaknesses

  • CWE-93: CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')
  • CWE-117: CWE-117: Improper Output Neutralization for Logs

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

CVE Program Container

Additional References

References