01 Record
CVE-2026-12112
Foreman-mcp-server: mcp server: active session hijacking via insecure session state reuse
HighPUBLISHEDCNA: redhat
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
02 Description
Foreman-mcp-server: mcp server: active session hijacking via insecure session state reuse
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.21% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 11.9% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-10-25.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
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
- 2026-06-23 19:40Z4 MO AGO
- Last updated
- 2026-07-16 12:04Z3 MO AGO
- Reserved
- 2026-06-12
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.8)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-287Improper AuthenticationClass
- Data version
- 5.2
- Document digest
- 7c078e6f967fe15d5c4abb09d2767b9d68397bcbb592555c09cdb6d24d40112c
05 Affected products
VendorProductVersionsPlatforms
06 References
- access.redhat.comRHSA-2026:28405https://access.redhat.com/errata/RHSA-2026:28405
- access.redhat.comRHSA-2026:28438https://access.redhat.com/errata/RHSA-2026:28438
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-12112
- bugzilla.redhat.comRHBZ#2488031https://bugzilla.redhat.com/show_bug.cgi?id=2488031
- security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12112.json