CVE-2026-40162 | Bugsink up to 2.1.0 File (GHSA-8hw4-fhww-273g)

VDB-356897 · CVE-2026-40162 · GHSA-8HW4-FHWW-273G BUGSINK UP TO 2.1.0 FILE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.1 $0-$5k 0.61+ Summaryinfo A vulnerability identified as critical has been detected in Bugsink up to 2.1.0. This affects an unknown part of the component File Handler. The manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2026-40162. 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, has been found in Bugsink up to 2.1.0. This issue affects some unknown functionality of the component File Handler. Impacted is integrity, and availability. The summary by CVE is: Bugsink is a self-hosted error tracking tool. In 2.1.0, an authenticated file write vulnerability was identified in Bugsink 2.1.0 in the artifact bundle assembly flow. A user with a valid authentication token could cause the application to write attacker-controlled content to a filesystem location writable by the Bugsink process. This vulnerability is fixed in 2.1.1. The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-40162 since 04/09/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. Upgrading to version 2.1.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Productinfo Name Bugsink Version 2.0 2.1.0 Website Product: https://github.com/bugsink/bugsink/ CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.2 VulDB Meta Temp Score: 6.1 VulDB Base Score: 5.4 VulDB Temp Score: 5.2 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: Unknown CWE: Unknown 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: Bugsink 2.1.1 Timelineinfo 04/09/2026 CVE reserved 04/10/2026 +1 days Advisory disclosed 04/10/2026 +0 days VulDB entry created 04/10/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-8hw4-fhww-273g Status: Confirmed CVE: CVE-2026-40162 (🔒) GCVE (CVE): GCVE-0-2026-40162 GCVE (VulDB): GCVE-100-356897 Entryinfo Created: 04/10/2026 20:31 Changes: 04/10/2026 20:31 (64) Complete: 🔍 Cache ID: 99:C72:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸