Vulnerability record

CVE-2026-72779

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Full record read. Reported values and explicit gaps below come from the tracked record. Tracker data as of: 2026-08-11 13:56 UTC.

What it is

Reported

Craft CMS 5.0.0-RC1 before 5.10.6 and 4.0.0-RC1 before 4.18.2 contain an arbitrary file read vulnerability. The create() Twig function restricts class instantiation using a 5-entry blocklist that does not include SplFileObject, allowing an authenticated administrator (with allowAdminChanges=true) to configure a malicious entry type title or URI format that instantiates SplFileObject in a non-sandboxed template context.… Source description excerpt; complete tracked detail loads below.

Evidence: Source reported · Source: CVE record · Source last published: 2026-08-11 12:17 UTC · Source last updated: 2026-08-11 12:48 UTC · Tracker data as of: 2026-08-11 13:56 UTC

What is affected

Reported

craftcms — cms. Product-level identification only; no affected-version conclusion is available from this field.

Evidence: Source reported · Source: CVE record · Source last published: 2026-08-11 12:17 UTC · Source last updated: 2026-08-11 12:48 UTC · Tracker data as of: 2026-08-11 13:56 UTC

Urgency and basis

Reported

Track* · 217.2

Evidence: Tracker computed · Tracker decision tier from the evidence detailed below · Source last updated: 2026-08-11 12:48 UTC · Tracker data as of: 2026-08-11 13:56 UTC

Exploitation evidence

Not reported

Not reported by tracked sources.

What to do

Reported

A source remediation link is available. Validate that guidance against the affected product and your environment.

Source remediation ↗

Evidence: Source reported · Tracked source remediation field · Source last updated: 2026-08-11 12:48 UTC · Tracker data as of: 2026-08-11 13:56 UTC

Evidence detail

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