CVE-2026-86066

Horilla is an HR and CRM software. Prior to 2.0.0, approve_validate_attendance_request at /attendance/approve-validate-attendance-request/ changes attendance_validated, is_validate_request_approved, approved_by, and related pending-request state through an HTTP GET before calling attendance.save(), so Django does not require CSRF validation for the action. An unauthenticated attacker can cause a logged-in manager with attendance.change_attendance to make a top-level request that carries the manager's SameSite=Lax session cookie, silently approving attendance with the victim's privileges and attributing the approval to the victim in the audit trail. This issue is fixed in version 2.0.0.

• https://github.com/horilla/horilla-hr/commit/87a23ecaf2944c15dc5c131f813d2b83fd56eaa0
• https://github.com/horilla/horilla-hr/releases/tag/2.0.0
• https://github.com/horilla/horilla-hr/security/advisories/GHSA-65vj-5p5g-pv5m
• https://github.com/horilla/horilla-hr/security/advisories/GHSA-65vj-5p5g-pv5m

• https://github.com/horilla/horilla-hr/commit/87a23ecaf2944c15dc5c131f813d2b83fd56eaa0
• https://github.com/horilla/horilla-hr/releases/tag/2.0.0
• https://github.com/horilla/horilla-hr/security/advisories/GHSA-65vj-5p5g-pv5m
• https://github.com/horilla/horilla-hr/security/advisories/GHSA-65vj-5p5g-pv5m

• CRITICALCVE-2025-15399
• MEDIUMCVE-2026-100524PoC
• MEDIUMCVE-2026-100712PoC
• UNSCOREDCVE-2026-100747
• UNSCOREDCVE-2026-100748
• UNSCOREDCVE-2026-100749
• MEDIUMCVE-2026-100873PoC
• MEDIUMCVE-2026-101093PoC

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