PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-36726 bookcars CVE debrief

CVE-2026-36726 is a MEDIUM severity vulnerability in bookcars v8.3. An arbitrary file deletion vulnerability exists in the /api/delete-temp-license/{file} endpoint, allowing unauthenticated attackers to delete arbitrary files via supplying directory traversal sequences. The vulnerability has a CVSS score of 5.3 and was published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2026-36726).

Vendor
bookcars
Product
bookcars
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-06-10
Advisory published
2026-06-09
Advisory updated
2026-06-10

Who should care

Users of bookcars v8.3 should apply patches or mitigations to prevent exploitation of this vulnerability.

Technical summary

The vulnerability exists in the /api/delete-temp-license/{file} endpoint of bookcars v8.3. An unauthenticated attacker can delete arbitrary files by supplying directory traversal sequences. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Defensive priority

MEDIUM

Recommended defensive actions

  • Apply patches or updates to bookcars v8.3 to fix the arbitrary file deletion vulnerability.
  • Restrict access to the /api/delete-temp-license/{file} endpoint to authenticated users only.
  • Monitor for suspicious activity on the /api/delete-temp-license/{file} endpoint.

Evidence notes

The vulnerability was reported via [ref-4](https://github.com/CC-T-454455/Vulnerabilities/tree/master/bookcars/vulnerability-11).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-36726 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-36726

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-36726 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-36726

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.