CVE record · CVE-2026-3784

wrong proxy connection reuse with credentials

CVSS 6.5 MediumEPSS 0.0043 · 37th percentile

Published by the CVE Program (CNA: curl) at 11 Mar 2026, 10:09 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
curl	curl	affected 7.7.0 to before 8.14.2 semver affected 8.15.0 to before 8.16.1 semver affected 8.17.0 to before 8.19.0 semver Other versions: unaffected
curl	curl	affected a1d6ad26100bc493c7b04f1301b1634b7f5aa8b4 to before 5f13a7645e565c5c1a06f3ef86e97afb856fb364 git Other versions: unaffected
curl	curl	affected 8.18.0 affected 8.17.0 affected 8.16.0 affected 8.15.0 affected 8.14.1 affected 8.14.0 affected 8.13.0 affected 8.12.1 affected 8.12.0 affected 8.11.1 affected 8.11.0 affected 8.10.1 and 179 more Other versions: unaffected

Identifiers: CVE-2026-3784
CNA: curl
Weakness (CWE): CWE-305
Tags: curl
CWE-305
Published: 11 Mar 2026
Updated: 15 Sept 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.5	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N	ADP (CISA-ADP)

CISA KEV Not listed.
EPSS 0.0043, the 37th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 11 Mar 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.