How severe is CVE-2026-26053?

CVE-2026-26053 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-26053 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-26053?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-26053 published?

CVE-2026-26053 was published on 2026-07-07.

CVE-2026-26053

CVE-2026-26053 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. 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-266.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-266
Published: 2026-07-07
Last modified: 2026-07-07

Description

An Incorrect Privilege Assignment (CWE-266) vulnerability in the Command Centre Server allows an authenticated operator with limited privileges to perform some operations that they would not normally be authorized to perform. Version of Command Centre affected: 9.50 prior to vEL9.50.1587(MR1), 9.40 prior to vEL9.40.3130(MR3), 9.30 prior to vEL9.30.3983(MR5), 9.20 prior to vEL9.20.4349(MR7), all versions of 9.10.

Frequently asked questions

What is CVE-2026-26053?: An Incorrect Privilege Assignment (CWE-266) vulnerability in the Command Centre Server allows an authenticated operator with limited privileges to perform some operations that they would not normally be authorized to perform. Version of Command Centre affected: 9.50 prior to vEL9.50.1587(MR1), 9.40 prior to vEL9.40.3130(MR3), 9.30 prior to vEL9.30.3983(MR5), 9.20 prior to vEL9.20.4349(MR7), all versions of 9.10.
How severe is CVE-2026-26053?: CVE-2026-26053 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-26053 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-26053?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-26053 published?: CVE-2026-26053 was published on 2026-07-07.

References

https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2026-26053

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