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Critical · 9.8 CVE-2026-0685 EUVD-2026-39792GHSA-4r2j-8c42-5wfc

Server side template inject (SSTI) in Edgewall Genshi Template Engine

Published Jun 26, 2026 · Updated Jun 26, 2026 · Assigned by certcc

Description

Server side template inject (SSTI) in the expression evaluation component in Genshi Template Engine version 0.7.9 allows a remote attacker to achieve remote code execution (RCE) via crafted template expressions.

Affected products

VendorProductAffectedFixed
Edgewall *Genshi* Genshi ≤ 0.7.9 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu 26.10 genshi No fix yet —
Ubuntu 26.04 LTS genshi No fix yet —
Ubuntu 25.10 genshi No fix yet —
Ubuntu 24.04 LTS genshi No fix yet —
Ubuntu 22.04 LTS genshi No fix yet —
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 20.04 LTS genshi No fix yet —
Ubuntu 18.04 LTS genshi No fix yet —
Ubuntu 16.04 LTS genshi No fix yet —

References