Successfully using libcurl to do a transfer over a specific HTTP proxy ( ) with **Digest** authentication and then changing the proxy host to a second one ( ) for a second transfer

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

• Alpine:v3.21 curl7.12.0 → 8.14.1-r3
• Alpine:v3.22 curl7.12.0 → 8.14.1-r4
• Alpine:v3.23 curl7.12.0 → 8.20.0-r0
• Alpine:v3.24 curl7.12.0 → 8.20.0-r0
• cpe haxx/curlversion unspecified

How to fix CVE-2026-7168

• Recommended remediation

  A patch or advisory reference is linked. Open the original publisher for availability by product version.

• Official advisories

  • CVE.org · cve.org
  • FIRST EPSS · first.org
  • NIST NVD · nvd.nist.gov
  • OpenSSF OSV / OSV Scanner · osv.dev
  • Trivy Vulnerability DB · osv.dev

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. May 13, 2026 · NIST NVD

   Detected

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

2. Sep 15, 2026 · NIST NVD

   Updated

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

3. Oct 18, 2026 · OpenSSF OSV / OSV Scanner

   Fix available

   curl fixed in 8.14.1-r3; curl fixed in 8.14.1-r4; curl fixed in 8.20.0-r0; curl fixed in 8.20.0-r0

4. Oct 18, 2026 · OpenSSF OSV / OSV Scanner

   Fix available

   curl fixed in 8.14.1-r3

5. Oct 18, 2026 · OpenSSF OSV / OSV Scanner

   Fix available

   curl fixed in 8.14.1-r4

6. Oct 18, 2026 · OpenSSF OSV / OSV Scanner

   Fix available

   curl fixed in 8.20.0-r0

7. Oct 18, 2026 · OpenSSF OSV / OSV Scanner

   Updated

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

Sources

• CVE.orgVulnerability recordCVE-2026-7168

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-7168

  30-day exploitation probability 0.5%

  first.org
• NIST NVDVulnerability recordCVE-2026-7168

  Successfully using libcurl to do a transfer over a specific HTTP proxy ( ) with **Digest** authentication and then changing the proxy host to a second one ( ) for a second transfer, reusing the same handle, makes libcurl wrongly pass on the he

  nvd.nist.gov
• OpenSSF OSV / OSV ScannerPackage advisoryALPINE-CVE-2026-7168
  osv.dev
• Trivy Vulnerability DBPackage advisoryALPINE-CVE-2026-7168

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

  osv.dev

References

• Mailing List · openwall.com
• Patch · curl.se
• Vendor Advisory · curl.se
• Exploit · hackerone.com
• ADVISORY · security.alpinelinux.org

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.