01 Record
CVE-2026-84042
Crun: crun: rootful krun with passt executes container payload as host root
HighPUBLISHEDCNA: redhat
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
02 Description
Crun: crun: rootful krun with passt executes container payload as host root
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- Not scored by EPSS
- EPSS percentile
- Not scored by EPSS
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Not recorded
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-10 08:24Z55 MIN AGO
- Last updated
- 2026-09-10 08:24Z55 MIN AGO
- Reserved
- 2026-09-01
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.8)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-269Improper Privilege ManagementClass
- Data version
- 5.2
- Document digest
- c3078d1c8b4db6f18b82c94d3fb9c7b63ba352e93299a8b97aa1273be41c1ef7
05 Affected products
VendorProductVersionsPlatforms
06 References
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-84042
- bugzilla.redhat.comRHBZ#2531222https://bugzilla.redhat.com/show_bug.cgi?id=2531222
- github.comhttps://github.com/containers/crun/