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CVE-2022-26662

XML Entity Expansion in trytond and proteus

7.5 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.97%Up 1.1 points since Mar 8, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

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.

Record
CVE-2022-26662
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-776
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2022-26662
Updated
2026-11-02
EUVDEUVD-2022-0343 No score

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.

Record
EUVD-2022-0343
Updated
2026-11-03
GitHub AdvisoriesGHSA-pm3h-mm62-pwm8 7.5

XML Entity Expansion in trytond and proteus

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.

Record
GHSA-pm3h-mm62-pwm8
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-776
Updated
2026-11-02
OSVGHSA-pm3h-mm62-pwm8 7.5

XML Entity Expansion in trytond and proteus

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.

Record
GHSA-pm3h-mm62-pwm8
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-776
Updated
2026-11-02
OSVPYSEC-2022-43171 7.5

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.

Record
PYSEC-2022-43171
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 5 moreShow less
OSVPYSEC-2026-3392 7.5

XML Entity Expansion in trytond and proteus

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.

Record
PYSEC-2026-3392
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVPYSEC-2026-741 7.5

XML Entity Expansion in trytond and proteus

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.

Record
PYSEC-2026-741
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2022-26662 7.5

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.

Record
UBUNTU-CVE-2022-26662
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV No score

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.

Record
CVE-2022-26662
Updated
2026-11-02
OSVDEBIAN-CVE-2022-26662 No score

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.

Record
DEBIAN-CVE-2022-26662
Updated
2026-11-03

Affected products

Affected packages

Affected packages
PackageAffectedFixed
trytond
PyPI
 5.0.0 up to 5.0.46
5.0.46
trytond
PyPI
 6.0.0 up to 6.0.16
6.0.16
trytond
PyPI
 6.1.0 up to 6.2.6
6.2.6
proteus
PyPI
 5.0.0 up to 5.0.12
5.0.12
proteus
PyPI
 6.0.0 up to 6.0.5
6.0.5
proteus
PyPI
 6.1.0 up to 6.2.2
6.2.2
tryton-proteus
Debian:12
 before 6.0.5-1
6.0.5-1
tryton-proteus
Debian:13
 before 6.0.5-1
6.0.5-1
tryton-proteus
Debian:14
 before 6.0.5-1
6.0.5-1
tryton-server
Debian:12
 before 6.0.16-1
6.0.16-1
Show 33 moreShow less
Affected packages
PackageAffectedFixed
tryton-server
Debian:13
 before 6.0.16-1
6.0.16-1
tryton-server
Debian:14
 before 6.0.16-1
6.0.16-1
tryton-server
Debian:9
From an advisory covering 2 CVEs
 before 4.2.1-2+deb9u2, plus listed versions
4.2.1-24.2.1-2+deb9u1
4.2.1-2+deb9u2
tryton-proteus
Debian:9
From an advisory covering 2 CVEs
 before 4.2.0-1+deb9u1, plus listed versions
4.2.0-1
4.2.0-1+deb9u1
tryton-server
Debian:10
From an advisory covering 2 CVEs
 before 5.0.4-2+deb10u1, plus listed versions
5.0.4-2
5.0.4-2+deb10u1
tryton-server
Debian:11
From an advisory covering 2 CVEs
 before 5.0.33-2+deb11u1, plus listed versions
5.0.33-2
5.0.33-2+deb11u1
tryton-proteus
Debian:10
From an advisory covering 2 CVEs
 before 5.0.1-3+deb10u1, plus listed versions
5.0.1-3
5.0.1-3+deb10u1
tryton-proteus
Debian:11
From an advisory covering 2 CVEs
 before 5.0.8-1+deb11u1, plus listed versions
5.0.8-1
5.0.8-1+deb11u1
trytond
PyPI
 5.0.0 up to 5.0.46, plus listed versions
5.0.15.0.105.0.115.0.125.0.13
Show 40 moreShow less
5.0.145.0.155.0.165.0.175.0.185.0.195.0.25.0.205.0.215.0.225.0.235.0.245.0.255.0.265.0.275.0.285.0.295.0.35.0.305.0.315.0.325.0.335.0.345.0.355.0.365.0.375.0.385.0.395.0.45.0.405.0.415.0.425.0.435.0.445.0.455.0.55.0.65.0.75.0.85.0.9
5.0.46
trytond
PyPI
 6.0.0 up to 6.0.16, plus listed versions
6.0.16.0.106.0.116.0.126.0.13
Show 10 moreShow less
6.0.146.0.156.0.26.0.36.0.46.0.56.0.66.0.76.0.86.0.9
6.0.16
trytond
PyPI
 6.1.0 up to 6.2.6, plus listed versions
6.2.06.2.16.2.26.2.36.2.46.2.5
6.2.6
proteus
PyPI
 5.0.0 up to 5.0.12, plus listed versions
5.0.15.0.105.0.115.0.25.0.3
Show 6 moreShow less
5.0.45.0.55.0.65.0.75.0.85.0.9
5.0.12
proteus
PyPI
 6.0.0 up to 6.0.5, plus listed versions
6.0.16.0.26.0.36.0.4
6.0.5
proteus
PyPI
 6.1.0 up to 6.2.2, plus listed versions
6.2.06.2.1
6.2.2
tryton
PyPI
 5.0.0 up to 5.0.12, 6.0.0 up to 6.0.5, 6.2.0 up to 6.2.2, plus listed versions
5.0.15.0.105.0.115.0.25.0.3
Show 11 moreShow less
5.0.45.0.55.0.65.0.75.0.85.0.96.0.16.0.26.0.36.0.46.2.1
5.0.126.0.56.2.26.2.66.0.165.0.46
trytond
PyPI
 5.0.0 up to 5.0.46, 6.0.0 up to 6.0.16, 6.1.0 up to 6.2.6, plus listed versions
5.0.15.0.105.0.115.0.125.0.13
Show 45 moreShow less
5.0.145.0.155.0.165.0.175.0.185.0.195.0.25.0.205.0.215.0.225.0.235.0.245.0.255.0.265.0.275.0.285.0.295.0.35.0.305.0.315.0.325.0.335.0.345.0.355.0.365.0.375.0.385.0.395.0.45.0.405.0.415.0.425.0.435.0.445.0.455.0.55.0.65.0.75.0.85.0.96.0.16.0.106.0.116.0.126.0.13
5.0.466.0.166.2.6
proteus
PyPI
 5.0.0 up to 5.0.12, 6.0.0 up to 6.0.5, 6.1.0 up to 6.2.2, plus listed versions
5.0.15.0.105.0.115.0.25.0.3
Show 12 moreShow less
5.0.45.0.55.0.65.0.75.0.85.0.96.0.16.0.26.0.36.0.46.2.06.2.1
5.0.126.0.56.2.2
tryton-proteus
Ubuntu:16.04:LTS
 All versions, plus listed versions
3.6.1-13.8.0-13.8.1-1
 None known
tryton-server
Ubuntu:16.04:LTS
 All versions, plus listed versions
3.6.2-13.6.3-23.6.3-33.8.0-13.8.1-13.8.2-13.8.3-1
 None known
tryton-proteus
Ubuntu:18.04:LTS
 All versions, plus listed versions
4.4.0-44.6.0-14.6.1-1
 None known
tryton-server
Ubuntu:18.04:LTS
 All versions, plus listed versions
4.4.3-34.6.0-14.6.1-14.6.2-14.6.3-2
 None known
tryton-proteus
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.0.3-25.0.7-1
 None known
tryton-server
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.0.10-15.0.14-25.0.16-1
 None known
tryton-proteus
Ubuntu:22.04:LTS
 All versions, plus listed versions
5.0.8-16.0.3-2
 None known
tryton-server
Ubuntu:22.04:LTS
 All versions, plus listed versions
5.0.33-26.0.9-36.0.12-1
 None known
tryton-proteus
Ubuntu:24.04:LTS
 All versions, plus listed versions
6.0.8-1
 None known
tryton-server
Ubuntu:24.04:LTS
 All versions, plus listed versions
6.0.34-16.0.36-16.0.39-1
 None known
tryton-proteus
Ubuntu:25.10
 All versions, plus listed versions
7.0.1-3
 None known
tryton-server
Ubuntu:25.10
 All versions, plus listed versions
7.0.24-17.0.30-1
 None known
tryton-proteus
Ubuntu:26.10
 All versions, plus listed versions
7.0.3-1
 None known
tryton-server
Ubuntu:26.10
 All versions, plus listed versions
7.0.43-17.0.47-17.0.53-1
 None known
tryton-proteus
Ubuntu:26.04:LTS
 All versions, plus listed versions
7.0.1-37.0.2-17.0.3-1
 None known
tryton-server
Ubuntu:26.04:LTS
 All versions, plus listed versions
7.0.30-17.0.38-17.0.40-17.0.43-1
 None known

History

History
RecordedChangedSources
affected, factsOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-26662 is a high vulnerability (CVSS 7.5) in Tryton Proteus, published March 7, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.97%, the 80th percentile. Fixed in trytond 5.0.46.

References

Show 9 moreShow less
This page doesn't list everything

Left out here: 16 versions. The JSON record has them.

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