CVE-2026-23536
HighExploitedfeast: Unauthenticated Arbitrary File Read
Published Mar 20, 2026 · Updated Jul 15, 2026
Key Facts
Patch immediately- CVE-2026-23536 is a high-severity vulnerability (CVSS 7.5 v3.1).
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Sep 14, 2026. No public exploit code is known.
- EPSS estimates a 2.4% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
2.4%
Higher than 83.8% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
None known
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Description
A security issue was discovered in the Feast Feature Server's /read-document endpoint that allows an unauthenticated remote attacker to read any file accessible to the server process. By sending a specially crafted HTTP POST request, an attacker can bypass intended access restrictions to potentially retrieve sensitive system files, application configurations, and credentials.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Sep 14, 2026 | n/a | Not reported |
| CIRCL KEV | Sep 14, 2026 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Timeline
Publicly disclosed
Mar 20, 2026
Last updated
Jul 15, 2026
Added to Industry KEV feed
Sep 14, 2026
Added to CIRCL KEV
Sep 14, 2026
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
FAQ
Common Questions.
A security issue was discovered in the Feast Feature Server's /read-document endpoint that allows an unauthenticated remote attacker to read any file accessible to the server process.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Sep 14, 2026.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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