CVE-2023-7079

Arbitrary remote file read in Wrangler dev server

MEDIUM
5.7
CVSS Score
Published: December 29, 2023 at 11:54 AM UTC
Updated: June 17, 2026 at 06:52 AM UTC
2 products affected across 1 vendorWranglerWorkers SDK

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Severity
MEDIUM5.7
Exploit prediction
EPSS 0.7%

Description

Sending specially crafted HTTP requests and inspector messages to Wrangler's dev server could result in any file on the user's computer being accessible over the local network. An attacker that could trick any user on the local network into opening a malicious website could also read any file.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 3.9.0v < 3.19.03.9.0 ≤ v < 3.19.0
Affected range stops below 3.19.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

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