[CVE-2026-41316] Bump erb to 4.0.4.1 - #456
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Override JRuby 9.4's default erb 2.2.3; patched @_init guard covers def_module/def_method/def_class deserialization bypass. Part of elastic/security#12737 Co-authored-by: Cursor <cursoragent@cursor.com>
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Backports the following commits to 1.0: - [CVE-2026-41316] Bump erb to 4.0.4.1 (#456) Co-authored-by: Jan-Kazlouski-elastic <jan.kazlouski@elastic.co> Co-authored-by: Cursor <cursoragent@cursor.com>
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Resolve NOTICE.txt conflict by regenerating it (make notice) on top of the merged Gemfile.lock, which now includes both erb 4.0.4.1 (#456) and net-imap 0.3.10.
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Part of https://github.com/elastic/security/issues/12737
Resolves CVE-2026-41316 (high) —
@_initdeserialization guard bypass in ERB viadef_module/def_method/def_class. Fixed in ERB 4.0.4.1.Changes
Gemfile/Gemfile.lock: pinerbto4.0.4.1(overrides JRuby 9.4's defaulterb2.2.3).NOTICE.txt: regenerated for the new dependency (and transitivecgi).Testing
4.0.4.1.Scanner A/B (
CVE-2026-41316)Checklists
Pre-Review Checklist
crawler.yml.exampleandelasticsearch.yml.example)v0.1.0)make noticeif any dependencies have been addedChanges Requiring Extra Attention
Release Note
Bump ERB to 4.0.4.1 to resolve CVE-2026-41316 (deserialization guard bypass).
Made with Cursor