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Fencer Intel
high 7.5

CVE-2022-26662 json

XML Entity Expansion in trytond and proteus

published 4y ago modified 3mo ago also GHSA-pm3h-mm62-pwm8 , PYSEC-2022-43171 , PYSEC-2026-3392 , PYSEC-2026-741 , EUVD-2022-0343

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

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.

Patch / fix

  • pypi trytond 5.0.46, 6.0.16, 6.2.6
  • pypi proteus 5.0.12, 6.0.5, 6.2.2
  • pypi tryton 5.0.12, 5.0.46, 6.0.5, 6.0.16, 6.2.2, 6.2.6
  • tryton proteus 5.0.12, 6.0.5, 6.2.2
  • tryton trytond 5.0.46, 6.0.16, 6.2.6
  • tryton-server Debian 14, Debian 13, Debian 12 6.0.16-1
  • tryton-proteus Debian 14, Debian 13, Debian 12 6.0.5-1

debian advisories DEBIAN-CVE-2022-26662

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Exploit prediction

1.97% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
pypi trytond
>=5.0.0, <5.0.46
>=6.0.0, <6.0.16
>=6.1.0, <6.2.6
5.0.46
6.0.16
6.2.6
pypi proteus
>=5.0.0, <5.0.12
>=6.0.0, <6.0.5
>=6.1.0, <6.2.2
5.0.12
6.0.5
6.2.2
pypi tryton
>=5.0.0, <5.0.12
>=6.0.0, <6.0.5
>=6.2.0, <6.2.2
<6.2.6
<6.0.16
<5.0.46
5.0.12
6.0.5
6.2.2
6.2.6
6.0.16
5.0.46

Classification

Weakness
  • CWE-776 Improper Restriction of Recursive Entity References in DTDs

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.