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01 Record

CVE-2026-86338

Ash field policies do not filter-nil forbidden calculations and aggregates, enabling an information-disclosure oracle

MediumPUBLISHEDCNA: EEF
CNA base score6.0 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
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02 Description

Ash field policies do not filter-nil forbidden calculations and aggregates, enabling an information-disclosure oracle

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 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
0.42% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 36.7% of scored records. A rank, not a probability.
NVD base score
6.0 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD analysis status
Awaiting Analysis. NVD last modified this record on 2026-09-16.
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
2026-09-16 08:28Z1 MO AGO
Last updated
2026-09-16 14:49Z1 MO AGO
Reserved
2026-09-15
Assigning CNA
EEF
Record state
PUBLISHED
Severity
Medium (CVSS 6.0)
CNA CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weaknesses
  • CWE-1220Insufficient Granularity of Access ControlBase
Data version
5.2
Document digest
3c8fe936593938a0b967e4b3119e8695ecf8c4e7040d2329f7f9f93c89e6d7b6

05 Affected products

VendorProductVersionsPlatforms
ash-projectash2.11.0-rc.0 to < 3.33.4, 0b6d93c7c4637280b46ae66ea1d2eaf013701238 to < b3d4503241f3deacb5ceb955e10a4fa927da0f67—

06 References