Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L N N U H H H 9.8 .0058 45.3 —
AFFECTED Product Versions Fixed curl 8.20.0 – —
TIMELINE May 20 Reserved by curl Jul 3 EXPLOIT PUBLISHED — CVE-2026-9079 (curl). Public exploit reference added. Jul 3 Published (CNA: curl)
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.
| Date | Event | Detail |
|---|---|---|
| May 20, 2026 | Reserved | Reserved by curl |
| July 3, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-9079 (curl). Public exploit reference added. |
| July 3, 2026 | Published | Published (CNA: curl) |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| curl | curl | — | 8.20.0 | — |
Authoritative record: CVE-2026-9079 at cve.org
Vendors: curl
Weaknesses: CWE-522
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-9079 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.