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.
CVE-2023-7079
This medium-severity CVE scores 5.7 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 51% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.7
- EG Score
- 5.7(medium)
- EG Risk
- 30(Track)EG Risk 30/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity57% × 45%Exploitation1% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 49.3%
- KEV
- Not listed
Published
December 29, 2023
Last Modified
June 17, 2026
References (6)
- cna@cloudflarehttps://github.com/cloudflare/workers-sdk/pull/4532
- cna@cloudflarehttps://github.com/cloudflare/workers-sdk/pull/4535
- cna@cloudflarehttps://github.com/cloudflare/workers-sdk/security/advisories/GHSA-cfph-4qqh-w828
- af854a3a-2127-422b-91ae-364da2661108https://github.com/cloudflare/workers-sdk/pull/4532
- af854a3a-2127-422b-91ae-364da2661108https://github.com/cloudflare/workers-sdk/pull/4535
- af854a3a-2127-422b-91ae-364da2661108https://github.com/cloudflare/workers-sdk/security/advisories/GHSA-cfph-4qqh-w828
Affected Packages
(1 across 1 ecosystem)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| wrangler | — | 3.19.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 13× in last 7d / 49× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-23 02:30 UTCEG score recompute
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- 2026-06-24 06:36 UTCNVD updateCVSS v3 → 5.7
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Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2023-7079?
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What is the CVSS score of CVE-2023-7079?
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Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-7079
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