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

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Summary

CVECVE-2026-0685
StatePUBLISHED
Assignercertcc
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-26 16:16:29 UTC
Updated2026-06-26 18:16:57 UTC
DescriptionServer 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from ADP

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

Problem Types: CWE-94 Improper Control of Generation of Code ('Code Injection')

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Edgewall *Genshi* Genshi affected 0.7.9 custom Not specified

References

ReferenceSourceLinkTags
github.com/edgewall/genshi [email protected] github.com
www.kb.cert.org/vuls/id/244846 af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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