How severe is CVE-2026-36720?

CVE-2026-36720 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-36720 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-36720?

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-2026-36720 have an EU (EUVD) identifier?

Yes. CVE-2026-36720 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35922.

When was CVE-2026-36720 published?

CVE-2026-36720 was published on 2026-06-09 and last updated on 2026-06-17.

CVE-2026-36720

CVE-2026-36720 is a high-severity vulnerability with a CVSS 3.x base score of 8.1. 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-284.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35922
Weakness: CWE-284
Published: 2026-06-09
Last modified: 2026-06-17

Description

Insecure permissions in bookcars v8.3 allows authenticated attackers to escalate privileges from user to admin via modifying their user type.

Frequently asked questions

What is CVE-2026-36720?: Insecure permissions in bookcars v8.3 allows authenticated attackers to escalate privileges from user to admin via modifying their user type.
How severe is CVE-2026-36720?: CVE-2026-36720 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-36720 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-36720?: 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-2026-36720 have an EU (EUVD) identifier?: Yes. CVE-2026-36720 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35922.
When was CVE-2026-36720 published?: CVE-2026-36720 was published on 2026-06-09 and last updated on 2026-06-17.

References

https://github.com/CC-T-454455/Vulnerabilities/tree/master/bookcars/vulnerability-3

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-50746 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi…
CVE-2026-46978 — Critical (CVSS 10.0): Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The…
CVE-2026-35308 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars).…
CVE-2026-35307 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that…
CVE-2026-46695 — Critical (CVSS 10.0): Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers…
CVE-2026-46840 — Critical (CVSS 10.0): Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are…

Browse all CWE-284 (Improper Access Control) vulnerabilities →