CVE-2026-8286

FAUCET Score

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.

First published: Jul 3, 2026Last modified: Jul 3, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 7.30.0, < 8.21.0CPE matchmatch criteria	cpe:2.3:a:haxx:curl::::::::
		>= 7.30.0, <= 7.30.0CPE match	cpe:2.3:a:curl:curl::::::::
		>= 7.31.0, <= 7.31.0CPE match	cpe:2.3:a:curl:curl::::::::
		>= 7.32.0, <= 7.32.0CPE match	cpe:2.3:a:curl:curl::::::::
		>= 7.33.0, <= 7.33.0CPE match	cpe:2.3:a:curl:curl::::::::

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

Exploitability Score

2.8

Impact Score

5.2

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.31%

Probability of exploitation in next 30 days

EPSS Percentile

23.2%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0031 is in the 11th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (10)

microsoftpatch availablevia msrc

Product: azl3 curl 8.11.1-9 on Azure Linux 3.0Fixed in: 8.11.1-10

microsoftpatch availablevia msrc

Product: 21549-17084Fixed in: 8.11.1-10