CVE-2026-34072 | fccview cronmaster up to 2.1.x improper authentication (GHSA-9whh-mffv-xvh6)

VDB-354748 · CVE-2026-34072 · GHSA-9WHH-MFFV-XVH6 FCCVIEW CRONMASTER UP TO 2.1.X IMPROPER AUTHENTICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.1 $0-$5k 1.59+ Summaryinfo A vulnerability, which was classified as critical, was found in fccview cronmaster up to 2.1.x. This impacts an unknown function. Executing a manipulation can lead to improper authentication. This vulnerability appears as CVE-2026-34072. The attacker needs to be present on the local network. There is no available exploit. You should upgrade the affected component. Detailsinfo A vulnerability has been found in fccview cronmaster up to 2.1.x and classified as critical. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes: Cr*nMaster (cronmaster) is a Cronjob management UI with human readable syntax, live logging and log history for cronjobs. Prior to version 2.2.0, an authentication bypass in middleware allows unauthenticated requests with an invalid session cookie to be treated as authenticated when the middleware’s session-validation fetch fails. This can result in unauthorized access to protected pages and unauthorized execution of privileged Next.js Server Actions. This issue has been patched in version 2.2.0. The advisory is shared for download at github.com. This vulnerability was named CVE-2026-34072 since 03/25/2026. The exploitation appears to be easy. The attack can only be initiated within the local network. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. Upgrading to version 2.2.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Productinfo Vendor fccview Name cronmaster Version 2.0 2.1 Website Product: https://github.com/fccview/cronmaster/ CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.3 VulDB Meta Temp Score: 7.1 VulDB Base Score: 6.3 VulDB Temp Score: 6.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 8.3 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: Improper authentication CWE: CWE-287 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Partially 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: cronmaster 2.2.0 Timelineinfo 03/25/2026 CVE reserved 04/01/2026 +6 days Advisory disclosed 04/01/2026 +0 days VulDB entry created 04/01/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-9whh-mffv-xvh6 Status: Confirmed CVE: CVE-2026-34072 (🔒) GCVE (CVE): GCVE-0-2026-34072 GCVE (VulDB): GCVE-100-354748 Entryinfo Created: 04/01/2026 20:50 Changes: 04/01/2026 20:50 (65) Complete: 🔍 Cache ID: 99:368:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸