CVE-2026-8286

EUVD-2026-41503
A vulnerability exists where a new transfer that uses STARTTLS to upgrade the
connection might reuse an existing live connection even though the TLS
configuration mismatches so it should not.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
curlCNA
8.1 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 23.58%
Affected Products (NVD)
VendorProductVersion
haxxcurl
7.30.0 ≤
𝑥
< 8.21.0
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
curlcurl
𝑥
≤ 8.20.0
CNA
curlcurl
𝑥
≤ 8.19.0
CNA
curlcurl
𝑥
≤ 8.18.0
CNA
curlcurl
𝑥
≤ 8.17.0
CNA
curlcurl
𝑥
≤ 8.16.0
CNA
curlcurl
𝑥
≤ 8.15.0
CNA
curlcurl
𝑥
≤ 8.14.1
CNA
curlcurl
𝑥
≤ 8.14.0
CNA
curlcurl
𝑥
≤ 8.13.0
CNA
curlcurl
𝑥
≤ 8.12.1
CNA
curlcurl
𝑥
≤ 8.12.0
CNA
curlcurl
𝑥
≤ 8.11.1
CNA
curlcurl
𝑥
≤ 8.11.0
CNA
curlcurl
𝑥
≤ 8.10.1
CNA
curlcurl
𝑥
≤ 8.10.0
CNA
curlcurl
𝑥
≤ 8.9.1
CNA
curlcurl
𝑥
≤ 8.9.0
CNA
curlcurl
𝑥
≤ 8.8.0
CNA
curlcurl
𝑥
≤ 8.7.1
CNA
curlcurl
𝑥
≤ 8.7.0
CNA
curlcurl
𝑥
≤ 8.6.0
CNA
curlcurl
𝑥
≤ 8.5.0
CNA
curlcurl
𝑥
≤ 8.4.0
CNA
curlcurl
𝑥
≤ 8.3.0
CNA
curlcurl
𝑥
≤ 8.2.1
CNA
curlcurl
𝑥
≤ 8.2.0
CNA
curlcurl
𝑥
≤ 8.1.2
CNA
curlcurl
𝑥
≤ 8.1.1
CNA
curlcurl
𝑥
≤ 8.1.0
CNA
curlcurl
𝑥
≤ 8.0.1
CNA
curlcurl
𝑥
≤ 8.0.0
CNA
curlcurl
𝑥
≤ 7.88.1
CNA
curlcurl
𝑥
≤ 7.88.0
CNA
curlcurl
𝑥
≤ 7.87.0
CNA
curlcurl
𝑥
≤ 7.86.0
CNA
curlcurl
𝑥
≤ 7.85.0
CNA
curlcurl
𝑥
≤ 7.84.0
CNA
curlcurl
𝑥
≤ 7.83.1
CNA
curlcurl
𝑥
≤ 7.83.0
CNA
curlcurl
𝑥
≤ 7.82.0
CNA
curlcurl
𝑥
≤ 7.81.0
CNA
curlcurl
𝑥
≤ 7.80.0
CNA
curlcurl
𝑥
≤ 7.79.1
CNA
curlcurl
𝑥
≤ 7.79.0
CNA
curlcurl
𝑥
≤ 7.78.0
CNA
curlcurl
𝑥
≤ 7.77.0
CNA
curlcurl
𝑥
≤ 7.76.1
CNA
curlcurl
𝑥
≤ 7.76.0
CNA
curlcurl
𝑥
≤ 7.75.0
CNA
curlcurl
𝑥
≤ 7.74.0
CNA
curlcurl
𝑥
≤ 7.73.0
CNA
curlcurl
𝑥
≤ 7.72.0
CNA
curlcurl
𝑥
≤ 7.71.1
CNA
curlcurl
𝑥
≤ 7.71.0
CNA
curlcurl
𝑥
≤ 7.70.0
CNA
curlcurl
𝑥
≤ 7.69.1
CNA
curlcurl
𝑥
≤ 7.69.0
CNA
curlcurl
𝑥
≤ 7.68.0
CNA
curlcurl
𝑥
≤ 7.67.0
CNA
curlcurl
𝑥
≤ 7.66.0
CNA
curlcurl
𝑥
≤ 7.65.3
CNA
curlcurl
𝑥
≤ 7.65.2
CNA
curlcurl
𝑥
≤ 7.65.1
CNA
curlcurl
𝑥
≤ 7.65.0
CNA
curlcurl
𝑥
≤ 7.64.1
CNA
curlcurl
𝑥
≤ 7.64.0
CNA
curlcurl
𝑥
≤ 7.63.0
CNA
curlcurl
𝑥
≤ 7.62.0
CNA
curlcurl
𝑥
≤ 7.61.1
CNA
curlcurl
𝑥
≤ 7.61.0
CNA
curlcurl
𝑥
≤ 7.60.0
CNA
curlcurl
𝑥
≤ 7.59.0
CNA
curlcurl
𝑥
≤ 7.58.0
CNA
curlcurl
𝑥
≤ 7.57.0
CNA
curlcurl
𝑥
≤ 7.56.1
CNA
curlcurl
𝑥
≤ 7.56.0
CNA
curlcurl
𝑥
≤ 7.55.1
CNA
curlcurl
𝑥
≤ 7.55.0
CNA
curlcurl
𝑥
≤ 7.54.1
CNA
curlcurl
𝑥
≤ 7.54.0
CNA
curlcurl
𝑥
≤ 7.53.1
CNA
curlcurl
𝑥
≤ 7.53.0
CNA
curlcurl
𝑥
≤ 7.52.1
CNA
curlcurl
𝑥
≤ 7.52.0
CNA
curlcurl
𝑥
≤ 7.51.0
CNA
curlcurl
𝑥
≤ 7.50.3
CNA
curlcurl
𝑥
≤ 7.50.2
CNA
curlcurl
𝑥
≤ 7.50.1
CNA
curlcurl
𝑥
≤ 7.50.0
CNA
curlcurl
𝑥
≤ 7.49.1
CNA
curlcurl
𝑥
≤ 7.49.0
CNA
curlcurl
𝑥
≤ 7.48.0
CNA
curlcurl
𝑥
≤ 7.47.1
CNA
curlcurl
𝑥
≤ 7.47.0
CNA
curlcurl
𝑥
≤ 7.46.0
CNA
curlcurl
𝑥
≤ 7.45.0
CNA
curlcurl
𝑥
≤ 7.44.0
CNA
curlcurl
𝑥
≤ 7.43.0
CNA
curlcurl
𝑥
≤ 7.42.1
CNA
curlcurl
𝑥
≤ 7.42.0
CNA
curlcurl
𝑥
≤ 7.41.0
CNA
curlcurl
𝑥
≤ 7.40.0
CNA
curlcurl
𝑥
≤ 7.39.0
CNA
curlcurl
𝑥
≤ 7.38.0
CNA
curlcurl
𝑥
≤ 7.37.1
CNA
curlcurl
𝑥
≤ 7.37.0
CNA
curlcurl
𝑥
≤ 7.36.0
CNA
curlcurl
𝑥
≤ 7.35.0
CNA
curlcurl
𝑥
≤ 7.34.0
CNA
curlcurl
𝑥
≤ 7.33.0
CNA
curlcurl
𝑥
≤ 7.32.0
CNA
curlcurl
𝑥
≤ 7.31.0
CNA
curlcurl
𝑥
≤ 7.30.0
CNA
Debian logo
Debian Releases
Debian Product
Codename
curl
bookworm
postponed
bookworm (security)
vulnerable
bullseye
postponed
bullseye (security)
vulnerable
forky
8.21.0-2
fixed
sid
8.21.0-2
fixed
trixie
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
curl
bionic
Fixed 7.58.0-2ubuntu3.24+esm9
released
focal
Fixed 7.68.0-1ubuntu2.25+esm4
released
jammy
Fixed 7.81.0-1ubuntu1.25
released
noble
Fixed 8.5.0-2ubuntu10.10
released
questing
Fixed 8.14.1-2ubuntu1.4
released
resolute
Fixed 8.18.0-1ubuntu2.2
released
trusty
Fixed 7.35.0-1ubuntu2.20+esm20
released
xenial
Fixed 7.47.0-1ubuntu2.19+esm16
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
curl
suse enterprise desktop 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise sap 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise server 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP6
8.14.1-150600.4.46.1
fixed
suse enterprise server 15 SP7
8.14.1-150700.7.20.1
fixed
libcurl-devel
suse enterprise desktop 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise sap 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise server 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP6
8.14.1-150600.4.46.1
fixed
suse enterprise server 15 SP7
8.14.1-150700.7.20.1
fixed
libcurl4
suse enterprise desktop 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise sap 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise server 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP6
8.14.1-150600.4.46.1
fixed
suse enterprise server 15 SP7
8.14.1-150700.7.20.1
fixed
libcurl4-32bit
suse enterprise desktop 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise sap 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise sap 15 SP7
8.14.1-150700.7.20.1
fixed
suse enterprise server 15 SP4
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP5
8.14.1-150400.5.86.1
fixed
suse enterprise server 15 SP6
8.14.1-150600.4.46.1
fixed
suse enterprise server 15 SP7
8.14.1-150700.7.20.1
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
cmake
Azure Linux 3.0
0:3.30.3-15.azl3
fixed
curl
Azure Linux 3.0
0:8.11.1-10.azl3
fixed