How severe is CVE-2023-7079?

CVE-2023-7079 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2023-7079 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-7079?

CVE-2023-7079 affects Cloudflare Wrangler. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-7079?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-7079 published?

CVE-2023-7079 was published on 2023-12-29 and last updated on 2026-06-17.

CVE-2023-7079

CVE-2023-7079 is a medium-severity vulnerability in Cloudflare Wrangler with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cloudflare Wrangler
Published: 2023-12-29
Last modified: 2026-06-17

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.

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.
How severe is CVE-2023-7079?: CVE-2023-7079 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2023-7079 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-7079?: CVE-2023-7079 affects Cloudflare Wrangler. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-7079?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-7079 published?: CVE-2023-7079 was published on 2023-12-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cloudflare:wrangler:*:*:*:*:*:node.js:*:*

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