CVE-2026-26053 Privilege escalation in Command Centre Server

What is CVE-2026-26053?

CVE-2026-26053 is a medium-severity vulnerability in Gallagher Command Centre Server, published on 7 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-266

Which versions are affected by CVE-2026-26053?

It affects 1 product.

Products include Gallagher Command Centre.

How do I fix CVE-2026-26053?

No fix has been published for CVE-2026-26053 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-26053 being exploited?

There is no known exploitation of CVE-2026-26053 in the wild and no public exploit code.

Other vulnerabilities in Gallagher Command Centre Server

• CVE-2021-23140 Missing authorization in Command Centre Critical 9.9
• CVE-2021-23230 SQL injection in Command Centre Critical 9.9
• CVE-2020-16096 Missing authorization in Command Centre Critical 9.9
• CVE-2020-16098 Information disclosure in Command Centre Critical 9.8
• CVE-2019-15294 Information disclosure in n/a Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-j55v-w58w-8mxc.