CVE-2023-7079

mediumpriority · track · 23EPSS 0.007 · 53 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.70% (53rd) EPSS

CVSS 5.7 · medium

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.7mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.1 · impact 3.6

v3.16.4mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:Nsecondary · ENISA EU

v3.16.4mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:Nsecondary · cna@cloudflare.comexploitability 1.2 · impact 4.7

v3.16.9mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:Nsecondary · OSV

v3.15.2mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimaryCWE-287US

affected products (5)

Products and version ranges known to be affected.

Cloudflare wranglerall versionsenisa_euvdEU
Cloudflare wrangler≤ 0 ≤3.9.0enisa_euvdEU
Cloudflare wrangler0 → 3.19.0enisa_euvdEU
cloudflare wrangler3.9.0 → 3.19.0nvdUScpe:2.3:a:cloudflare:wrangler:*:*:*:*:*:*:*:*
npm wrangler3.9.0 → 3.19.0osvUSpkg:npm/wrangler

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-cfph-4qqh-w828Arbitrary remote file read in Wrangler dev server2024-01-03ghsa · osvUS
### Impact 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. ### Patches This issue was fixed in `wrangler@3.19.0`. Wrangler will now only serve files that are part of your bundle, or referenced by your bundle's source maps. ### Workarounds Configure Wrangler to listen on local interfaces instead with `wrangler dev --ip 127.0.0.1`. This is the [default as of `wrangler@3.16.0`](https://github.com/cloudflare/workers-sdk/security/advisories/GHSA-f8mp-x433-5wpf), and removes the local network as an attack vector, but does not prevent an attack from visiting a malicious website. ### References - https://github.com/cloudflare/workers-sdk/pull/4532 - https://github.com/cloudflare/workers-sdk/pull/4535

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2023-12-29modified 2026-06-17

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references (10)

External citations — patches, advisories, analysis.

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