# CVE-2026-26053: Gallagher Command Centre incorrect privilege assignment in Server

Source: https://junglewise.ai/threats/cve-2026-26053-gallagher-command-centre-incorrect-privilege-assignment-in-server  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-07. Updated: 2026-07-07  
License: CC BY 4.0 with a link back

CVE-2026-26053 · Severity: medium · CVSS 5.3 · Published 2026-07-07

Gallagher Command Centre, a security management platform used for access control and site security, contains a vulnerability that allows authorized users to exceed their assigned permissions. An operator with limited access could perform unauthorized actions within the system, potentially compromising the integrity of security operations. This issue affects various versions of the Command Centre Server software, and updates are available to resolve the flaw.

Technologies: [Gallagher Command Centre Server](https://junglewise.ai/threats/technologies/command-centre-server). Vendors: [Gallagher](https://junglewise.ai/threats/vendors/gallagher).

## Quick answers

**Is CVE-2026-26053 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-26053 being exploited in the wild.

**How severe is CVE-2026-26053?** Medium severity, with a CVSS score of 5.3, published 7 July 2026.

**Which products and versions are affected?** Gallagher Command Centre Server 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.

**Is there a fix for CVE-2026-26053?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-26053 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-26053?** Check whether you run Gallagher Command Centre Server at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An Incorrect Privilege Assignment (CWE-266) exists in the Gallagher Command Centre Server. The vulnerability allows a remote, authenticated operator with low privileges to bypass intended authorization checks and perform operations they are not normally permitted to execute. The attack complexity is rated as high, suggesting specific conditions or configurations must be met to successfully exploit the flaw. The impact is primarily on system integrity, as unauthorized changes can be made to the server's operations. Patches have been released for versions 9.20 through 9.50, while version 9.10 remains fully affected.

## Affected products

- Gallagher Command Centre Server 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

## Timeline

- 2026-07-07: disclosed
- 2026-07-07: advisory

## References

- [https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2026-26053](https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2026-26053)

## Related threats

- [Gallagher Command Centre credential exposure in service installers](https://junglewise.ai/threats/cve-2026-25193-gallagher-command-centre-credential-exposure-in-service)
- [Gallagher Command Centre Server improper locking in Morpho integration](https://junglewise.ai/threats/cve-2026-20757-gallagher-command-centre-server-improper-locking-in-morpho)