CVE-2026-0685
Server side template inject (SSTI) in Edgewall Genshi Template Engine
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Server side template inject (SSTI) in Edgewall Genshi Template Engine
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.
- Record
CVE-2026-0685- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2026-39792
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.
- Record
EUVD-2026-39792- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4r2j-8c42-5wfc
Server side template inject (SSTI) in the expression evaluation component in Genshi Template...
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.
- Record
GHSA-4r2j-8c42-5wfc- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-0685- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSV
Server side template inject (SSTI) in Edgewall Genshi Template Engine
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.
- Record
CVE-2026-0685- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-0685
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.
- Record
UBUNTU-CVE-2026-0685- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
genshiUbuntu:16.04:LTS |
All versions, plus listed versions 0.7-5 |
None known |
genshiUbuntu:18.04:LTS |
All versions, plus listed versions 0.7-6 |
None known |
genshiUbuntu:20.04:LTS |
All versions, plus listed versions 0.7.1-50.7.3-0ubuntu10.7.3-0ubuntu20.7.3-0ubuntu30.7.3-0ubuntu3.1 |
None known |
genshiUbuntu:22.04:LTS |
All versions, plus listed versions 0.7.5-10.7.5-20.7.6-10.7.6-1build1 |
None known |
genshiUbuntu:24.04:LTS |
All versions, plus listed versions 0.7.7-40.7.7-4build10.7.7-4build2 |
None known |
genshiUbuntu:25.10 |
All versions, plus listed versions 0.7.9-2build1 |
None known |
genshiUbuntu:26.10 |
All versions, plus listed versions 0.7.10-2build1 |
None known |
genshiUbuntu:26.04:LTS |
All versions, plus listed versions 0.7.9-2build10.7.9-2build20.7.10-10.7.10-20.7.10-2build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-0685 is a critical vulnerability (CVSS 9.8) in Edgewall *genshi* Genshi, published June 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.93%, the 60th percentile. No source names a fixed version.