Backdrop 1.x — End of Life

Active
9 releases in this series0 CVEs

Backdrop 1.x is partially supported: only 1.35, 1.34 still receive security fixes. The most recent release in this series is 1.35.2. No CVE is currently tracked for Backdrop 1.x.

Backdrop 1.x — All releases

VersionReleasedActive supportEOL dateLatest patchStatusAlert me
1.35Sep 15, 2026—No1.35.2Active
1.34May 16, 2026—No1.34.6Active
1.33Jan 16, 2026—Sep 15, 20261.33.3EOL
1.32Sep 16, 2025—May 16, 20261.32.3EOL
1.31May 15, 2025—Jan 16, 20261.31.2EOL
1.30Jan 15, 2025—Sep 16, 20251.30.3EOL
1.29Sep 15, 2024—May 15, 20251.29.5EOL
1.28May 15, 2024—Jan 15, 20251.28.5EOL
1.27Jan 15, 2024—Sep 15, 20241.27.3EOL

CVEs affecting Backdrop 1.x (0)

No CVEs tracked for Backdrop 1.x.

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Backdrop 1 EOL status
[![Backdrop 1 EOL status](https://eolcanary.com/badge/backdrop/1.svg)](https://eolcanary.com/explore/backdrop/1)

Frequently asked questions

Is Backdrop 1 end of life?

Partially. 7 of the 9 Backdrop 1.x releases have reached end of life. Still supported: 1.35, 1.34.

What CVEs affect Backdrop 1?

No CVEs are currently tracked for Backdrop 1.x in the NVD data we monitor.

What is the latest Backdrop 1 version?

The latest Backdrop 1.x patch release is 1.35.2, released on October 14, 2026. Always run the latest patch to benefit from all security fixes.

When was Backdrop 1 first released?

Backdrop 1.27 was released on January 15, 2024. See the full version timeline in the table above.

Is it safe to run Backdrop 1 in production?

Only on a supported release (1.35, 1.34). Make sure you run the latest patch (1.35.2) to have all security fixes applied.

Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA