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01 Record

CVE-2026-12383

Eda-server: externaleventstreamviewset trusts subject header without validation and leaks expected dn

HighPUBLISHEDCNA: redhat
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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02 Description

Eda-server: externaleventstreamviewset trusts subject header without validation and leaks expected dn

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.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.27% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 20.1% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD analysis status
Awaiting Analysis. NVD last modified this record on 2026-08-04.
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
2026-07-27 19:12Z3 MO AGO
Last updated
2026-08-04 20:48Z2 MO AGO
Reserved
2026-06-16
Assigning CNA
redhat
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weaknesses
  • CWE-345Insufficient Verification of Data AuthenticityClass
Data version
5.2
Document digest
553a90e25ad7d174faf4d54058b31cec8fc4bae27f9a17506adb0b6db64f37e0

05 Affected products

VendorProductVersionsPlatforms
Red HatRed Hat Ansible Automation Platform 2.5 for RHEL 8Not specified—
Red HatRed Hat Ansible Automation Platform 2.5 for RHEL 9Not specified—
Red HatRed Hat Ansible Automation Platform 2.6 for RHEL 9Not specified—
Red HatRed Hat Ansible Automation Platform 2.7Not specified—

06 References