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CVE-2022-26662

26
FAUCET Score

CVE-2022-26662 is an XML Entity Expansion (XEE) vulnerability affecting Tryton Application Platform (Server) and Command Line Client (proteus) across multiple versions. An unauthenticated attacker can exploit this flaw by sending a specially crafted XML-RPC message, leading to a denial-of-service condition by consuming all server resources. Rated 7.5 HIGH on CVSS, this vulnerability has a low attack complexity and requires no user interaction, but its impact is limited to availability. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.0.0, < 5.0.12CPE matchmatch criteria
cpe:2.3:a:tryton:proteus:*:*:*:*:*:*:*:*
>= 6.0.0, < 6.0.5CPE matchmatch criteria
cpe:2.3:a:tryton:proteus:*:*:*:*:*:*:*:*
>= 6.2.0, < 6.2.2CPE matchmatch criteria
cpe:2.3:a:tryton:proteus:*:*:*:*:*:*:*:*
>= 5.0.0, < 5.0.46CPE matchmatch criteria
cpe:2.3:a:tryton:trytond:*:*:*:*:*:*:*:*
>= 6.0.0, < 6.0.16CPE matchmatch criteria
cpe:2.3:a:tryton:trytond:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.96%
Probability of exploitation in next 30 days
EPSS Percentile
78.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0196 is in the 62nd percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

pippatch availablevia ghsa
Product: trytondFixed in: 5.0.46
pippatch availablevia ghsa
Product: trytondFixed in: 6.0.16
pippatch availablevia ghsa
Product: trytondFixed in: 6.2.6
pippatch availablevia ghsa
Product: proteusFixed in: 5.0.12
pippatch availablevia ghsa
Product: proteusFixed in: 6.0.5
pippatch availablevia ghsa
Product: proteusFixed in: 6.2.2

Vendor Advisories (1)

pipGHSA-pm3h-mm62-pwm8high

XML Entity Expansion in trytond and proteus

Mar 11, 2022

References

bugs.tryton.org / issue11244
PatchVendor Advisory
discuss.tryton.org / t/security-release-for-issue11219-and-issue11244/5059
Vendor Advisory
lists.debian.org / debian-lts-announce/2022/03/msg00016.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2022/03/msg00017.html
Mailing ListThird Party Advisory
debian.org / security/2022/dsa-5098
Third Party Advisory
debian.org / security/2022/dsa-5099
Third Party Advisory