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TI-2026-21057 Aliases CVE-2026-26053GHSA-j55v-w58w-8mxc

An Incorrect Privilege Assignment (CWE-266) vulnerability in the Command Centre Server…

Priority LOW 24CWE-266Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Privilege escalation
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-266.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00247 16th percentileScored 2026-11-07
Fix Fixed Command Centre Server (Gallagher): vEL9.50.1587(MR1), vEL9.40.3130(MR3), vEL9.30.3983(MR5) +1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GallagherCommand Centre Server9.10; 9.50 to before vEL9.50.1587(MR1); 9.40 to before vEL9.40.3130(MR3); 9.30 to before vEL9.30.3983(MR5); 9.20 to before vEL9.20.4349(MR7)vEL9.50.1587(MR1), vEL9.40.3130(MR3), vEL9.30.3983(MR5), vEL9.20.4349(MR7)Patch availableCNA
  • Command Centre Server VendorGallagher Affected 9.10; 9.50 to before vEL9.50.1587(MR1); 9.40 to before vEL9.40.3130(MR3); 9.30 to before vEL9.30.3983(MR5); 9.20 to before vEL9.20.4349(MR7) Fixed in vEL9.50.1587(MR1), vEL9.40.3130(MR3), vEL9.30.3983(MR5), vEL9.20.4349(MR7) Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*before 9.20.4349; 9.30.1594 to before 9.30.3983; 9.40.1359 to before 9.40.3130; 9.50.978 to before 9.50.1587VulnerableGallagher
  • cpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:* Versions before 9.20.4349; 9.30.1594 to before 9.30.3983; 9.40.1359 to before 9.40.3130; 9.50.978 to before 9.50.1587 Vulnerable ·Gallagher

Remediation

  • Fix · CNA Command Centre Server (Gallagher) Fixed in vEL9.50.1587(MR1), vEL9.40.3130(MR3), vEL9.30.3983(MR5), vEL9.20.4349(MR7)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-26053
  2. 2026-10-03 Alias added: GHSA-j55v-w58w-8mxc

References

Advisory 1

  • TI-2021-05931 Improper authorization in Gallagher Command Centre CVSS 3.1CRITICAL 9.9
  • TI-2020-12668 Improper authentication in Gallagher Command Centre CVSS 3.1CRITICAL 9.8
  • TI-2020-12666 Improper authorization in Gallagher Command Centre CVSS 3.1CRITICAL 9.9
  • TI-2019-11404 An issue was discovered in Gallagher Command Centre 8.10 before 8.10.1092(MR2). CVSS 3.0CRITICAL 9.8
  • TI-2021-05986 SQL injection in Gallagher Command Centre CVSS 3.1CRITICAL 9.9
  • TI-2020-12673 Incorrect type conversion in Gallagher Command Centre CVSS 3.1HIGH 8.8
See all 41 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences