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TI-2025-27278 Aliases CVE-2025-40846GHSA-mcvh-54mc-g3gg

HaloITSM open redirect via the returnUrl

Priority LOW 31CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Active
Attack complexity
Low
Attack requirements
Present
Impact type
Spoofing
Confidentiality · integrity · availability
High · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-601.

Summary

Improper Input Validation, the returnUrl parameter in Account Security Settings lacks proper input validation, allowing attackers to redirect users to malicious websites (Open Redirect) and inject JavaScript code to perform cross site scripting attack. The vulnerability affects Halo versions up to 2.174.101 and all versions between 2.175.1 and 2.184.21

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00359 29th percentileScored 2026-11-07
Fix Fixed ITSM (HaloITSM): >= 2.174.101, >= 2.184.21

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
HaloITSMITSM—>= 2.174.101, >= 2.184.21Patch availableCNA
  • ITSM VendorHaloITSM Affected — Fixed in >= 2.174.101, >= 2.184.21 Patch available CNA

Remediation

  • Fix · CNA ITSM (HaloITSM) Fixed in >= 2.174.101, >= 2.184.21

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-40846
  2. 2026-10-03 Alias added: GHSA-mcvh-54mc-g3gg

References

Sources