CVE-2026-0685 | Server side template inject (SSTI) in the expression evaluat… | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2026-0685
State: PUBLISHED
Assigner: certcc
Reserved: 2026-01-07 19:12 UTC
Published: 2026-06-26 15:45 UTC
Last updated: 2026-06-26 17:36 UTC
Vendor / Product: Edgewall *Genshi* / Genshi
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Edgewall Genshi	Genshi	—	0 ≤ 0.7.9

Weakness (CWE)

CWE	Source	Description
—	cna	CWE-94 Improper Control of Generation of Code ('Code Injection')

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (1)

https://github.com/edgewall/genshi/