What’s Vulnerable › Vulnerabilities

CVE-2026-0685: Server side template inject (SSTI) in Edgewall Genshi Template Engine

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-26 · updated 2026-10-25

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

• Edgewall *Genshi* Genshi: through 0.7.9

References

• https://github.com/edgewall/genshi/
• https://www.kb.cert.org/vuls/id/244846

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