CVE-2026-105455

    Dashboard / Vulnerabilities / CVE-2026-105455

    CVE-2026-105455

    Published: 30 Oct 2026Last Modified: 1 Nov 2026

    Summary: Stored XSS via related ticket subject on RTIR Split and Create Incident forms

    Details: RTIR's ticket creation forms show the subject of the related ticket when splitting a ticket or creating an incident from a report, and they render that subject without HTML escaping. A ticket subject containing script runs it when a user opens either form. RTIR grants everyone the right to create Incident Reports by default, so an unauthenticated sender of an emailed report can set that subject. The script then runs in the session of the incident handler who creates an incident from the report or splits it, and can act in RT with that user's authority.  The issue was fixed in version 6.0.4. RTIR 5.0 is not affected.

    References: https://requesttracker.com/rtir/, https://cert.pl/en/posts/2026/10/CVE-2026-105454, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105455.json, https://nvd.nist.gov/vuln/detail/CVE-2026-105455, https://github.com/bestpractical/rtir

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -751d5d09afce0f5ab511dcc4212b9093104de41b

    Affected versions

    6.0.3
    6.0.1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-105455 | CVE-DB