CVE-2026-87984
Last modified
CVE-2026-87984 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. An arbitrary file write vulnerability in Mistral Vibe, introduced in version 1.3.4, allows an attacker to create or overwrite files outside the active workspace without user approval. Shell redirection destinations are omitted from permission checks, enabling otherwise allowlisted commands to write to arbitrary paths accessible to the Vibe process..
Description
An arbitrary file write vulnerability in Mistral Vibe, introduced in version 1.3.4, allows an attacker to create or overwrite files outside the active workspace without user approval. Shell redirection destinations are omitted from permission checks, enabling otherwise allowlisted commands to write to arbitrary paths accessible to the Vibe process.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| mistralai | mistral-vibe | >= 1.3.4, <= * |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-87984?
How severe is CVE-2026-87984?
How do I fix CVE-2026-87984?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-87976Apache NiFi Registry 0.4.0 through 2.11.0 are subject to pat…8.1
- CVE-2026-87978The Paymob for WooCommerce WordPress plugin before 4.1.14 do…5.3
- CVE-2026-87979The Paymob for WooCommerce WordPress plugin before 4.1.14 do…5.3
- CVE-2026-8798In Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 2.1.3…8.7
- CVE-2026-87981The Paymob for WooCommerce WordPress plugin before 4.1.14 do…4.7
- CVE-2026-87983An arbitrary file read vulnerability in Mistral Vibe, introd…9.2
- CVE-2026-87985An arbitrary code execution vulnerability in Mistral Vibe al…10
- CVE-2026-87986An arbitrary code execution vulnerability in Mistral Vibe al…10
- CVE-2026-87987An arbitrary code execution vulnerability in Mistral Vibe al…10
- CVE-2026-87988An arbitrary file access vulnerability in Mistral Vibe allow…10
- CVE-2026-87993The consul-template library is vulnerable to an information …7.7
- CVE-2026-87994Open WebUI is an extensible, feature-rich, and user-friendly…4.3
Are you affected by CVE-2026-87984?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST