CVE-2026-6515 | GitLab Community Edition/Enterprise Edition up to 18.9.5/18.10.3/18.11.0 session expiration

VDB-359026 · CVE-2026-6515 · GCVE-0-2026-6515 GITLAB COMMUNITY EDITION/ENTERPRISE EDITION UP TO 18.9.5/18.10.3/18.11.0 SESSION EXPIRATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.7 $0-$5k 2.86+ Summaryinfo A vulnerability labeled as critical has been found in GitLab Community Edition and Enterprise Edition up to 18.9.5/18.10.3/18.11.0. This affects an unknown function. Executing a manipulation can lead to session expiration. This vulnerability is handled as CVE-2026-6515. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded. Detailsinfo A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 18.9.5/18.10.3/18.11.0. It has been declared as critical. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a session expiration vulnerability. The CWE definition for the vulnerability is CWE-613. According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization." As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that could have allowed a user to use invalidated or incorrectly scoped credentials to access Virtual Registries under certain conditions. The advisory is available at gitlab.com. This vulnerability was named CVE-2026-6515 since 04/17/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. Upgrading to version 18.9.6, 18.10.4 or 18.11.1 eliminates this vulnerability. Productinfo Type Bug Tracking Software Vendor GitLab Name Community Edition Enterprise Edition Version 18.0 18.1 18.2 18.3 18.4 18.5 18.6 18.7 18.8 18.9 18.9.0 18.9.1 18.9.2 18.9.3 18.9.4 18.9.5 18.10 18.10.0 18.10.1 18.10.2 18.10.3 18.11.0 License open-source Website Vendor: https://gitlab.com/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.9 VulDB Meta Temp Score: 5.7 VulDB Base Score: 6.3 VulDB Temp Score: 6.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 5.4 CNA Vector (GitLab): 🔒 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: Session expiration CWE: CWE-613 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: Community Edition/Enterprise Edition 18.9.6/18.10.4/18.11.1 Timelineinfo 04/17/2026 CVE reserved 04/22/2026 +5 days Advisory disclosed 04/22/2026 +0 days VulDB entry created 04/22/2026 +0 days VulDB entry last update Sourcesinfo Vendor: gitlab.com Advisory: gitlab.com Status: Confirmed CVE: CVE-2026-6515 (🔒) GCVE (CVE): GCVE-0-2026-6515 GCVE (VulDB): GCVE-100-359026 Entryinfo Created: 04/22/2026 19:03 Changes: 04/22/2026 19:03 (63) Complete: 🔍 Cache ID: 99:80B:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸