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CVE-2026-109318 (GCVE-0-2026-109318)

Vulnerability from nvd – Published: 2026-10-12 16:05 – Updated: 2026-10-13 15:49

Title

Grav Git Sync 1.0.2 through 3.4.12 Command Injection via Commit Author

Summary

Grav Git Sync 1.0.2 through 3.4.12 contains a command injection vulnerability that allows authenticated content editors to execute OS commands by injecting shell substitutions into profile fields. When the gravuser or gravfull author mode is enabled, attackers can set a malicious username, full name, or email that reaches PHP exec() via git commit --author, running commands as the web-server account.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-13 15:48 UTC

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 5953 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/getgrav/grav/security/advisori…	vendor-advisorythird-party-advisory
https://www.vulncheck.com/advisories/grav-git-syn…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
trilbymedia	grav-plugin-git-sync	Affected: 1.0.2 , < 3.4.13 (semver) Unaffected: 3.4.13 (semver)

Date Public

2026-09-23 00:00

Credits

AlpetGexha

Show details on NVD website

JSON

To clipboard

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                "id": "CVE-2026-109318",
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          "url": "https://github.com/getgrav/grav/security/advisories/GHSA-c89w-55m3-fmf7"
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          "name": "VulnCheck Advisory: Grav Git Sync 1.0.2 through 3.4.12 Command Injection via Commit Author",
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CVE-2026-109318 (GCVE-0-2026-109318)

Vulnerability from cvelistv5 – Published: 2026-10-12 16:05 – Updated: 2026-10-13 15:49

Title

Grav Git Sync 1.0.2 through 3.4.12 Command Injection via Commit Author

Summary

Grav Git Sync 1.0.2 through 3.4.12 contains a command injection vulnerability that allows authenticated content editors to execute OS commands by injecting shell substitutions into profile fields. When the gravuser or gravfull author mode is enabled, attackers can set a malicious username, full name, or email that reaches PHP exec() via git commit --author, running commands as the web-server account.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-13 15:48 UTC

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 5953 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/getgrav/grav/security/advisori…	vendor-advisorythird-party-advisory
https://www.vulncheck.com/advisories/grav-git-syn…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
trilbymedia	grav-plugin-git-sync	Affected: 1.0.2 , < 3.4.13 (semver) Unaffected: 3.4.13 (semver)

Date Public

2026-09-23 00:00

Credits

AlpetGexha

Show details on NVD website

JSON

To clipboard

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                "id": "CVE-2026-109318",
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Find a vulnerability

Search criteria

2 vulnerabilities found for grav-plugin-git-sync by trilbymedia

CVE-2026-109318 (GCVE-0-2026-109318)

CVE-2026-109318 (GCVE-0-2026-109318)