Skip to main content
No exploitation reportedFix available

CVE-2023-7079

No exploitation reported by the sources we read.

  • Published2023-12-29
  • Fixed in3.19.0
  • WeaknessCWE-287

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2023-12-2912:15CVE publishedNVD

Versions per branch

NVD · OSV
Cloudflare wrangler
BranchAffectedFixed in
3.x≥ 3.9.0, < 3.19.03.19.0

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Cloudflare wrangler to 3.19.0

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.16.4known since 2026-10-23
  • NVDCVSS 3.15.7read 2026-10-23
  • CNAweakness (CWE)CWE-287known since 2026-10-23
  • NVDweakness (CWE)CWE-287read 2026-10-23
  • FIRST EPSSEPSS score0.7 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryMODERATE2024-01-03

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Published
2023-12-29
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-cfph-4qqh-w828

Frequently asked questions

What is CVE-2023-7079?

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.

Is CVE-2023-7079 actively exploited?

Active exploitation of CVE-2023-7079 has not been confirmed. Its EPSS score was 0.7% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-7079?

CVE-2023-7079 has a CVSS v3 base score of 5.7 (MEDIUM severity), with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Running wrangler? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record