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

High 8.8 Published Updated

Attackers can overwrite arbitrary files via path traversal in uploaded ZIP archives during backup restore, requiring an upgrade to secure the application.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-29065?

CVE-2026-29065 is a high-severity path traversal vulnerability in dgtlmoon changedetection.io, published on 6 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-22

Which versions are affected by CVE-2026-29065?

3 open source packages ship an affected version, including changedetection.io and changedetection-io. It affects 1 product.

PackageAffectedFixed in
changedetection.io PyPIAll versions0.54.4
changedetection-io PyPIAll versions0.54.4
changedetection-io PyPIAll versions0.54.4

Products include Webtechnologies Changedetection.

How do I fix CVE-2026-29065?

Upgrade changedetection.io to 0.54.4 or later.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-29065 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-29065 exists.

Sources

Also known as GHSA-25g8-2mcf-fcx9, PYSEC-2026-2129.

Is CVE-2026-29065 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free