CVE-2026-32318 | cryptomator up to 2.8.2 on iOS API Endpoint vault.cryptomator origin validation (GHSA-g7fr-c82r-hm6j)

VDB-352137 · CVE-2026-32318 · GHSA-G7FR-C82R-HM6J CRYPTOMATOR UP TO 2.8.2 ON IOS API ENDPOINT VAULT.CRYPTOMATOR ORIGIN VALIDATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.8 $0-$5k 1.39+ Summaryinfo A vulnerability identified as critical has been detected in cryptomator up to 2.8.2 on iOS. Impacted is an unknown function of the file vault.cryptomator of the component API Endpoint. Performing a manipulation results in origin validation. This vulnerability is reported as CVE-2026-32318. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component. Detailsinfo A vulnerability, which was classified as critical, was found in cryptomator up to 2.8.2 on iOS. This affects some unknown functionality of the file vault.cryptomator of the component API Endpoint. The manipulation with an unknown input leads to a origin validation vulnerability. CWE is classifying the issue as CWE-346. The product does not properly verify that the source of data or communication is valid. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is: Cryptomator for IOS offers multi-platform transparent client-side encryption for files in the cloud. Prior to version 2.8.3, an integrity check vulnerability allows an attacker tamper with the vault configuration file leading to a man-in-the-middle vulnerability in Hub key loading mechanism. Before this fix, the client trusted endpoints from the vault config without host authenticity checks, which could allow token exfiltration by mixing a legitimate auth endpoint with a malicious API endpoint. Impacted are users unlocking Hub-backed vaults with affected client versions in environments where an attacker can alter the vault.cryptomator file. This issue has been patched in version 2.8.3. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-32318 since 03/11/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. Upgrading to version 2.8.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 98c31280304af65c0932eb547d5fe4be2d16929c 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 Type iOS App Software Name cryptomator Version 2.8.0 2.8.1 2.8.2 License open-source CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.9 VulDB Meta Temp Score: 6.8 VulDB Base Score: 6.3 VulDB Temp Score: 6.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 7.6 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: Origin validation CWE: CWE-346 / CWE-345 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: cryptomator 2.8.3 Patch: 98c31280304af65c0932eb547d5fe4be2d16929c Timelineinfo 03/11/2026 CVE reserved 03/20/2026 +9 days Advisory disclosed 03/20/2026 +0 days VulDB entry created 03/20/2026 +0 days VulDB entry last update Sourcesinfo Advisory: GHSA-g7fr-c82r-hm6j Status: Confirmed CVE: CVE-2026-32318 (🔒) GCVE (CVE): GCVE-0-2026-32318 GCVE (VulDB): GCVE-100-352137 Entryinfo Created: 03/20/2026 23:31 Changes: 03/20/2026 23:31 (69) Complete: 🔍 Cache ID: 99:36F:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸