CVE-2022-26662

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-03-10 · updated 2026-06-17
Weakness: CWE-776

Description

An XML Entity Expansion (XEE) 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 unauthenticated user can send a crafted XML-RPC message to consume all the resources of the server.

Affected products

Debian Linux: 9.0, 10.0, 11.0
Tryton Proteus: from 5.0.0 before 5.0.12; from 6.0.0 before 6.0.5; from 6.2.0 before 6.2.2 — fixed in 5.0.12, 6.0.5, 6.2.2
trytond: from 5.0.0 before 5.0.46; from 6.0.0 before 6.0.16; from 6.2.0 before 6.2.6 — fixed in 5.0.46, 6.0.16, 6.2.6

How to fix

Upgrade to a fixed version: Tryton Proteus 5.0.12, 6.0.5, 6.2.2; trytond 5.0.46, 6.0.16, 6.2.6. Check the vendor advisory for mitigations.

References

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