{"id":"CVE-2022-26661","aliases":["GHSA-cj78-rgw3-4h5p","PYSEC-2022-43170","PYSEC-2026-740"],"title":"Improper Restriction of XML External Entity Reference in trytond and proteus","summary":"Improper Restriction of XML External Entity Reference in trytond and proteus","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","vendor":"trytond","product":"trytond","ecosystem":"pip","affected":["trytond >= 5.0.0, < 5.0.46","trytond >= 6.0.0, < 6.0.16","trytond >= 6.1.0, < 6.2.6","proteus >= 5.0.0, < 5.0.12","proteus >= 6.0.0, < 6.0.5","proteus >= 6.1.0, < 6.2.2"],"patched":["trytond 5.0.46","trytond 6.0.16","trytond 6.2.6","proteus 5.0.12","proteus 6.0.5","proteus 6.2.2"],"published":"2022-03-11","updated":"2026-07-06","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-cj78-rgw3-4h5p","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-26661"},{"url":"https://discuss.tryton.org/t/security-release-for-issue11219-and-issue11244/5059"},{"url":"https://foss.heptapod.net/tryton/tryton/-/issues/11219"},{"url":"https://hg.tryton.org/trytond"},{"url":"https://lists.debian.org/debian-lts-announce/2022/03/msg00016.html"},{"url":"https://lists.debian.org/debian-lts-announce/2022/03/msg00017.html"},{"url":"https://www.debian.org/security/2022/dsa-5098"},{"url":"https://www.debian.org/security/2022/dsa-5099"}],"tags":["osv","pip"],"epss":0.01407,"epssPercentile":0.71468,"ingestedAt":"2026-07-08T18:25:48.395Z","slug":"CVE-2022-26661","body":"## Overview\n\nAn 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.\n\n## Affected packages\n\n- `trytond >= 5.0.0, < 5.0.46`\n- `trytond >= 6.0.0, < 6.0.16`\n- `trytond >= 6.1.0, < 6.2.6`\n- `proteus >= 5.0.0, < 5.0.12`\n- `proteus >= 6.0.0, < 6.0.5`\n- `proteus >= 6.1.0, < 6.2.2`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `trytond 5.0.46`\n- `trytond 6.0.16`\n- `trytond 6.2.6`\n- `proteus 5.0.12`\n- `proteus 6.0.5`\n- `proteus 6.2.2`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}