How severe is CVE-2018-6926?

CVE-2018-6926 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-6926 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6926?

CVE-2018-6926 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6926?

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-2018-6926 published?

CVE-2018-6926 was published on 2018-02-12 and last updated on 2026-06-22.

CVE-2018-6926

CVE-2018-6926 is a high-severity vulnerability in Misp-project Misp with a CVSS 3.x base score of 7.2. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 9.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Misp-project Misp
Published: 2018-02-12
Last modified: 2026-06-22

Description

In app/Controller/ServersController.php in MISP 2.4.87, a server setting permitted the override of a path variable on certain Red Hed Enterprise Linux and CentOS systems (where rh_shell_fix was enabled), and consequently allowed site admins to inject arbitrary OS commands. The impact is limited by the setting being only accessible to the site administrator.

Frequently asked questions

What is CVE-2018-6926?: In app/Controller/ServersController.php in MISP 2.4.87, a server setting permitted the override of a path variable on certain Red Hed Enterprise Linux and CentOS systems (where rh_shell_fix was enabled), and consequently allowed site admins to inject arbitrary OS commands. The impact is limited by the setting being only accessible to the site administrator.
How severe is CVE-2018-6926?: CVE-2018-6926 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-6926 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6926?: CVE-2018-6926 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6926?: 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-2018-6926 published?: CVE-2018-6926 was published on 2018-02-12 and last updated on 2026-06-22.

References

https://github.com/MISP/MISP/commit/0a2aa9d52492d960b9a161160acedbe9caaa4126

Affected products (1)

cpe:2.3:a:misp-project:misp:2.4.87:*:*:*:*:*:*:*

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