How severe is CVE-2026-7168?

CVE-2026-7168 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-7168 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-7168?

CVE-2026-7168 affects Haxx Curl. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-7168?

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

Does CVE-2026-7168 have an EU (EUVD) identifier?

Yes. CVE-2026-7168 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29932.

When was CVE-2026-7168 published?

CVE-2026-7168 was published on 2026-05-13 and last updated on 2026-06-17.

CVE-2026-7168

CVE-2026-7168 is a medium-severity vulnerability in Haxx Curl with a CVSS 3.x base score of 5.3. 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-294.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29932
Weakness: CWE-294
Affected product: Haxx Curl
Published: 2026-05-13
Last modified: 2026-06-17

Description

Successfully using libcurl to do a transfer over a specific HTTP proxy (`proxyA`) with **Digest** authentication and then changing the proxy host to a second one (`proxyB`) for a second transfer, reusing the same handle, makes libcurl wrongly pass on the `Proxy-Authorization:` header field meant for `proxyA`, to `proxyB`.

Frequently asked questions

What is CVE-2026-7168?: Successfully using libcurl to do a transfer over a specific HTTP proxy (`proxyA`) with **Digest** authentication and then changing the proxy host to a second one (`proxyB`) for a second transfer, reusing the same handle, makes libcurl wrongly pass on the `Proxy-Authorization:` header field meant for `proxyA`, to `proxyB`.
How severe is CVE-2026-7168?: CVE-2026-7168 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-7168 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-7168?: CVE-2026-7168 affects Haxx Curl. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-7168?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-7168 have an EU (EUVD) identifier?: Yes. CVE-2026-7168 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29932.
When was CVE-2026-7168 published?: CVE-2026-7168 was published on 2026-05-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*

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