01 Record
CVE-2026-18947
Feast: feast: authorization bypass in /materialize endpoints enables dos via unauthorized full re-materialization
HighPUBLISHEDCNA: redhat
CNA base score8.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L
02 Description
Feast: feast: authorization bypass in /materialize endpoints enables dos via unauthorized full re-materialization
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.
- EPSS probability
- 0.59% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 48.1% of scored records. A rank, not a probability.
- NVD base score
- 8.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-19.
- 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
- 2026-08-10 20:44Z2 MO AGO
- Last updated
- 2026-10-19 11:10Z10 DAYS AGO
- Reserved
- 2026-08-05
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L
- Weaknesses
- CWE-862Missing AuthorizationClass
- Data version
- 5.2
- Document digest
- 4588e9b31063b84a6c09cffa916089b04d510c76ed8e84ade213ea9843f1400a
05 Affected products
VendorProductVersionsPlatforms
06 References
- access.redhat.comRHSA-2026:53261https://access.redhat.com/errata/RHSA-2026:53261
- access.redhat.comRHSA-2026:53263https://access.redhat.com/errata/RHSA-2026:53263
- access.redhat.comRHSA-2026:84734https://access.redhat.com/errata/RHSA-2026:84734
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-18947
- bugzilla.redhat.comRHBZ#2511164https://bugzilla.redhat.com/show_bug.cgi?id=2511164