CVE-2026-1660 | GitLab Community Edition/Enterprise Edition up to 18.9.5/18.10.3/18.11.0 allocation of resources

VDB-359021 · CVE-2026-1660 · GCVE-0-2026-1660 GITLAB COMMUNITY EDITION/ENTERPRISE EDITION UP TO 18.9.5/18.10.3/18.11.0 ALLOCATION OF RESOURCES HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.3 $0-$5k 2.63+ Summaryinfo 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 classified as problematic. This vulnerability affects unknown code. The manipulation leads to allocation of resources. This vulnerability is documented as CVE-2026-1660. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended. Detailsinfo A vulnerability, which was classified as problematic, has been found in GitLab Community Edition and Enterprise Edition up to 18.9.5/18.10.3/18.11.0. This issue affects an unknown code block. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. Impacted is availability. The summary by CVE is: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.3 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user to cause denial of service when importing issues due to improper input validation. The weakness was released by a92847865. The advisory is shared at hackerone.com. The identification of this vulnerability is CVE-2026-1660 since 01/29/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue. 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: 5.4 VulDB Meta Temp Score: 5.3 VulDB Base Score: 4.3 VulDB Temp Score: 4.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.5 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: Allocation of resources CWE: CWE-770 / CWE-400 / CWE-404 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 01/29/2026 CVE reserved 04/22/2026 +82 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: hackerone.com Researcher: a92847865 Status: Confirmed CVE: CVE-2026-1660 (🔒) GCVE (CVE): GCVE-0-2026-1660 GCVE (VulDB): GCVE-100-359021 Entryinfo Created: 04/22/2026 19:00 Changes: 04/22/2026 19:00 (64) Complete: 🔍 Cache ID: 99:A4A:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸