PYSEC-2026-3391

    Dashboard / Vulnerabilities / PYSEC-2026-3391

    PYSEC-2026-3391

    Published: 9 Jul 2026Last Modified: 13 Jul 2026

    Summary: Improper Restriction of XML External Entity Reference in trytond and proteus

    Details: An XXE issue was discovered in Tryton Application Platform (Server) 5.x through 5.0.45, 6.x through 6.0.15, and 6.1.x and 6.2.x through 6.2.5, and Tryton Application Platform (Command Line Client (proteus)) 5.x through 5.0.11, 6.x through 6.0.4, and 6.1.x and 6.2.x through 6.2.1. An authenticated user can make the server parse a crafted XML SEPA file to access arbitrary files on the system.

    References: https://nvd.nist.gov/vuln/detail/CVE-2022-26661, https://discuss.tryton.org/t/security-release-for-issue11219-and-issue11244/5059, https://foss.heptapod.net/tryton/tryton/-/issues/11219, https://hg.tryton.org/trytond, https://lists.debian.org/debian-lts-announce/2022/03/msg00016.html, https://lists.debian.org/debian-lts-announce/2022/03/msg00017.html, https://www.debian.org/security/2022/dsa-5098, https://www.debian.org/security/2022/dsa-5099, https://pypi.org/project/trytond, https://github.com/advisories/GHSA-cj78-rgw3-4h5p

    Affected packages

    Package

    Name: trytond

    Purl: pkg:pypi/trytond

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 5.0.0
    Fixed -5.0.46

    Affected versions

    5.0.0
    5.0.1
    5.0.10
    5.0.11
    5.0.12
    5.0.13
    5.0.14
    5.0.15
    5.0.16
    5.0.17
    5.0.18
    5.0.19
    5.0.2
    5.0.20
    5.0.21
    5.0.22
    5.0.23
    5.0.24
    5.0.25
    5.0.26
    5.0.27
    5.0.28
    5.0.29
    5.0.3
    5.0.30
    5.0.31
    5.0.32
    5.0.33
    5.0.34
    5.0.35
    5.0.36
    5.0.37
    5.0.38
    5.0.39
    5.0.4
    5.0.40
    5.0.41
    5.0.42
    5.0.43
    5.0.44
    5.0.45
    5.0.5
    5.0.6
    5.0.7
    5.0.8
    5.0.9

    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