01 Record
CVE-2026-121876
Sandboxed-containers: kernel: systemd-gpt-auto-generator: guest data leakage in confidential computing (sandboxed containers)
HighPUBLISHEDCNA: redhat
CNA base score7.9 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
02 Description
Sandboxed-containers: kernel: systemd-gpt-auto-generator: guest data leakage in confidential computing (sandboxed containers)
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
- 7.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-11-12.
- 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
- 2026-11-12 16:55Z25 MIN AGO
- Last updated
- 2026-11-12 16:55Z25 MIN AGO
- Reserved
- 2026-11-04
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.9)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
- Weaknesses
- CWE-359Exposure of Private Personal Information to an Unauthorized ActorBase
- Data version
- 5.2
- Document digest
- f397436a6a6561305d0d86b9be00687640fffbe5312706fd918d4c0fc2764054
05 Affected products
VendorProductVersionsPlatforms
06 References
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-121876
- bugzilla.redhat.comRHBZ#2558210https://bugzilla.redhat.com/show_bug.cgi?id=2558210