ruby-mechanize: The Mechanize library is used for automating interaction with websites
CVE-2026-107399 is fixed in ruby-mechanize on 1 platform by DEBIAN-CVE-2026-107399 (version 2.14.1-1), released October 9, 2026. It is not reported as exploited. Patch Radar priority: Routine.
The Mechanize library is used for automating interaction with websites. Prior to 2.14.1, Mechanize applies no origin trust boundary in Mechanize::HTTP::Agent#response_follow_meta_refresh when Mechanize#follow_meta_refresh is enabled. A page containing a meta refresh to another origin causes headers configured through Mechanize#request_headers= to be reapplied to the refresh request, allowing an attacker who controls content in the crawl to capture bearer tokens or session cookies. The default configuration is not affected because follow_meta_refresh is false, and the exposure is limited to caller-supplied default headers. This issue is fixed in version 2.14.1.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| ruby-mechanize · Debian 14 | 2.14.1-1 | DEBIAN-CVE-2026-107399 | Oct 9, 2026 |
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