How severe is CVE-2023-26036?

CVE-2023-26036 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-2023-26036 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26036?

CVE-2023-26036 affects Zoneminder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26036?

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.

When was CVE-2023-26036 published?

CVE-2023-26036 was published on 2023-02-25 and last updated on 2026-06-17.

CVE-2023-26036

CVE-2023-26036 is a high-severity vulnerability in Zoneminder 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-426.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-426
Affected product: Zoneminder
Published: 2023-02-25
Last modified: 2026-06-17

Description

ZoneMinder is a free, open source Closed-circuit television software application for Linux which supports IP, USB and Analog cameras. Versions prior to 1.36.33 and 1.37.33 contain a Local File Inclusion (Untrusted Search Path) vulnerability via /web/index.php. By controlling $view, any local file ending in .php can be executed. This is supposed to be mitigated by calling detaintPath, however dentaintPath does not properly sandbox the path. This can be exploited by constructing paths like "..././", which get replaced by "../". This issue is patched in versions 1.36.33 and 1.37.33.

Frequently asked questions

What is CVE-2023-26036?: ZoneMinder is a free, open source Closed-circuit television software application for Linux which supports IP, USB and Analog cameras. Versions prior to 1.36.33 and 1.37.33 contain a Local File Inclusion (Untrusted Search Path) vulnerability via /web/index.php. By controlling $view, any local file ending in .php can be executed. This is supposed to be mitigated by calling detaintPath, however dentaintPath does not properly sandbox the path. This can be exploited by constructing paths like "..././", which get replaced by "../". This issue is patched in versions 1.36.33 and 1.37.33.
How severe is CVE-2023-26036?: CVE-2023-26036 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-2023-26036 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26036?: CVE-2023-26036 affects Zoneminder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26036?: 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.
When was CVE-2023-26036 published?: CVE-2023-26036 was published on 2023-02-25 and last updated on 2026-06-17.

References

https://github.com/ZoneMinder/zoneminder/security/advisories/GHSA-h5m9-6jjc-cgmw

Affected products (1)

cpe:2.3:a:zoneminder:zoneminder:*:*:*:*:*:*:*:*

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