CVE-2026-9079

stale proxy password leak

State
Published
Severity
9.8 Critical
Published
Jul 3, 2026
Updated
Sep 15, 2026
Reserved
May 20, 2026

Read the record on cve.org

Description

libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the old credentials around to get used for subsequent transfers that should not know nor use them.

Scores

CVSSScoreVectorSource
3.19.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCISA-ADP

Weaknesses

  • CWE-522 Insufficiently Protected Credentials

Affected Products

ProductVersions
curlcurl
  • 8.8.0 to before 8.14.2Affected
  • 8.15.0 to before 8.16.1Affected
  • 8.17.0 to before 8.20.1Affected
curlcurl
  • d5e83eb745762f48d8fafadc5df5dd3ae8d8941e to before 88c7e16cceec816a2df45c899d49b1e85513f193Affected
curlcurl
  • 8.20.0Affected
  • 8.19.0Affected
  • 8.18.0Affected
  • 8.17.0Affected
  • 8.16.0Affected
  • 8.15.0Affected
  • 8.14.1Affected
  • 8.14.0Affected
  • 8.13.0Affected
  • 8.12.1Affected
  • 8.12.0Affected
  • 8.11.1Affected
  • 8.11.0Affected
  • 8.10.1Affected
  • 8.10.0Affected
  • 8.9.1Affected
  • 8.9.0Affected
  • 8.8.0Affected

References

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