CVE-2026-41191 | freescout-help-desk freescout up to 1.8.214 updateSave authorization (GHSA-wpv9-c2gv-2j82)

VDB-358543 · CVE-2026-41191 · GHSA-WPV9-C2GV-2J82 FREESCOUT-HELP-DESK FREESCOUT UP TO 1.8.214 UPDATESAVE AUTHORIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.5 $0-$5k 2.61+ Summaryinfo A vulnerability has been found in freescout-help-desk freescout up to 1.8.214 and classified as critical. This impacts the function MailboxesController::updateSave. This manipulation causes authorization. This vulnerability appears as CVE-2026-41191. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded. Detailsinfo A vulnerability classified as critical was found in freescout-help-desk freescout up to 1.8.214. Affected by this vulnerability is the function MailboxesController::updateSave. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is: FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, `MailboxesController::updateSave()` persists `chat_start_new` outside the allowed-field filter. A user with only the mailbox `sig` permission sees only the signature field in the UI, but can still change the hidden mailbox-wide chat setting via direct POST. Version 1.8.215 fixes the vulnerability. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-41191 since 04/18/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. Upgrading to version 1.8.215 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch fb130de64e1c830d85dd6988eaa08d725a7be954 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. Productinfo Vendor freescout-help-desk Name freescout Version 1.8.214 License open-source Website Product: https://github.com/freescout-help-desk/freescout/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.7 VulDB Meta Temp Score: 6.5 VulDB Base Score: 6.3 VulDB Temp Score: 6.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 7.1 CNA Vector (GitHub_M): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Authorization CWE: CWE-863 / CWE-285 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: freescout 1.8.215 Patch: fb130de64e1c830d85dd6988eaa08d725a7be954 Timelineinfo 04/18/2026 CVE reserved 04/21/2026 +3 days Advisory disclosed 04/21/2026 +0 days VulDB entry created 04/21/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-wpv9-c2gv-2j82 Status: Confirmed CVE: CVE-2026-41191 (🔒) GCVE (CVE): GCVE-0-2026-41191 GCVE (VulDB): GCVE-100-358543 Entryinfo Created: 04/21/2026 19:44 Changes: 04/21/2026 19:44 (67) Complete: 🔍 Cache ID: 99:8E5:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸