CVE-2026-30892 | containers crun up to 1.26 privileges management (GHSA-4vg2-xjqj-7chj)

VDB-353543 · CVE-2026-30892 · GHSA-4VG2-XJQJ-7CHJ CONTAINERS CRUN UP TO 1.26 PRIVILEGES MANAGEMENT HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.8 $0-$5k 1.56+ Summaryinfo A vulnerability, which was classified as critical, has been found in containers crun up to 1.26. This vulnerability affects unknown code. The manipulation leads to privileges management. This vulnerability is listed as CVE-2026-30892. The attack must be carried out locally. There is no available exploit. It is advisable to upgrade the affected component. Detailsinfo A vulnerability was found in containers crun up to 1.26 and classified as critical. This issue affects an unknown functionality. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is: crun is an open source OCI Container Runtime fully written in C. In versions 1.19 through 1.26, the `crun exec` option `-u` (`--user`) is incorrectly parsed. The value `1` is interpreted as UID 0 and GID 0 when it should have been UID 1 and GID 0. The process thus runs with higher privileges than expected. Version 1.27 patches the issue. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-30892 since 03/06/2026. The exploitation is known to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK. Upgrading to version 1.27 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 1bd7f42446999b0e76bc3d575392e05c943b0b01 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 Virtualization Software Vendor containers Name crun Version 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21 1.22 1.23 1.24 1.25 1.26 License open-source Website Product: https://github.com/containers/crun/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.0 VulDB Meta Temp Score: 3.8 VulDB Base Score: 5.3 VulDB Temp Score: 5.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 2.6 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: Privileges management CWE: CWE-269 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: No 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: crun 1.27 Patch: 1bd7f42446999b0e76bc3d575392e05c943b0b01 Timelineinfo 03/06/2026 CVE reserved 03/26/2026 +20 days Advisory disclosed 03/26/2026 +0 days VulDB entry created 03/26/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-4vg2-xjqj-7chj Status: Confirmed CVE: CVE-2026-30892 (🔒) GCVE (CVE): GCVE-0-2026-30892 GCVE (VulDB): GCVE-100-353543 Entryinfo Created: 03/26/2026 07:01 Changes: 03/26/2026 07:01 (68) Complete: 🔍 Cache ID: 99:B4A:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸