Is CVE-2026-36723 in the CISA KEV catalog?

No. CVE-2026-36723 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-36723?

CVE-2026-36723 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2026-36723?

CVE-2026-36723 has an EPSS score of 1.00% (58th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-36723

HIGH

8.8

CVSS v3

NVD

Description

An unrestricted file rename vulnerability in the /api/create-user component of bookcars v8.3 allows authenticated attackers to leverage directory traversal sequences to move arbitrary files from temporary storage to arbitrary locations on the server filesystem. This enables unauthorized access to sensitive files, the overwriting of critical application files, and remote code execution (RCE).

CWE-22Path Traversal

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.00%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

https://github.com/CC-T-454455/Vulnerabilities/tree/master/bookcars/vulnerability-17

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-10.