A SHORTER WAY INTO THE SOURCE
The source, in brief.
This security brief organizes the matching CISA catalog record into a short reading view. The details below describe the catalog entry, not an assessment of your systems.
Abridged primary-source text [2]
WordPress WordPress Core contains a time-of-check time-of-use (TOCTOU) race condition vulnerability that could allow unauthenticated attackers to execute code on the server during the upgrade window. This is due to predictable, web-accessible staging paths used during full-package core upgrades.
This automated digest uses the approved primary record identified below. The excerpt is abridged source text, rather than original reporting or an AI-written paraphrase.
FROM THE PRIMARY RECORD
Key details.
- CVE
- CVE-2026-119977 [2]
- Vendor
- WordPress [2]
- Product
- WordPress Core [2]
- CISA required action
- Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. [2]
- Federal agency due date
- 2026-11-06 [2]