CVE-2026-23536
CVE-2026-23536 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (44th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-13816
- Weakness: CWE-22
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-23536?
- 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.
- How severe is CVE-2026-23536?
- CVE-2026-23536 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-23536 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-23536?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-23536 have an EU (EUVD) identifier?
- Yes. CVE-2026-23536 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13816.
- When was CVE-2026-23536 published?
- CVE-2026-23536 was published on 2026-03-20 and last updated on 2026-06-30.
References
- https://access.redhat.com/security/cve/CVE-2026-23536
- https://bugzilla.redhat.com/show_bug.cgi?id=2429302
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23536.json
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