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Fencer Intel
medium 6.5

CVE-2022-26661 json

Improper Restriction of XML External Entity Reference in trytond and proteus

published 4y ago modified 3mo ago also GHSA-cj78-rgw3-4h5p , PYSEC-2022-43170 , PYSEC-2026-3391 , PYSEC-2026-740 , EUVD-2022-0342

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

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.

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-2022-26661

Is CVE-2022-26661 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

1.41% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugs.tryton.org https://bugs.tryton.org/issue11219 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N
OSV 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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-611 Improper Restriction of XML External Entity Reference

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.