CVE-2026-9080 — Security Box Score

CVE · referencelatest edition

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.

CVE-2026-9080HIGH

curl curl — UAF after pause in socket callback

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  L  L  L    7.3   .0029   22.2     —

AFFECTED
  Product  Versions  Fixed
  curl     8.20.0 –  —

TIMELINE
  May 20  Reserved by curl
  Jul 3   EXPLOIT PUBLISHED — CVE-2026-9080 (curl). Public exploit reference added.
  Jul 3   Published (CNA: curl)

CWE-416 · CNA: curl · CVSS v3.1 · 3 references · NVD status: Analyzed

Description

Calling `curl_easy_pause()` within the event-based `CURLMOPT_SOCKETFUNCTION` callback triggers a use-after-free vulnerability, where libcurl attempts to store a flag using a dangling struct pointer immediately after that pointer's memory has been freed.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
May 20, 2026	Reserved	Reserved by curl
July 3, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-9080 (curl). Public exploit reference added.
July 3, 2026	Published	Published (CNA: curl)

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
curl	curl	—	8.20.0	—

Weaknesses

CWE-416

References (3)

https://curl.se/docs/CVE-2026-9080.html [Patch, Vendor Advisory]
https://curl.se/docs/CVE-2026-9080.json [Vendor Advisory]
https://hackerone.com/reports/3749204 [Exploit, Issue Tracking, Third Party Advisory]

Authoritative record: CVE-2026-9080 at cve.org

Vendors: curl

Weaknesses: CWE-416

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-9080 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.