CVE-2026-6412

FAUCET Score

Certificate policy and RFC 8446 compliance concerns regarding the continued acceptance of SHA-1/MD5 in certificate processing.

First published: Jun 25, 2026Last modified: Jun 25, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 3.9.10, < 5.9.2CPE matchmatch criteria	cpe:2.3:a:wolfssl:wolfssl::::::::
		>= 3.9.10, <= 5.9.1CPE match	cpe:2.3:a:wolfssl:wolfssl::::::::

CVSS Data

CVSS version used by this source: 4.0

2.3LOW

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear

Attack Vector

NETWORK

Attack Complexity

HIGH

Attack Requirements

PRESENT

Privileges Required

LOW

User Interaction

NONE

VS Confidentiality

NONE

VS Integrity

LOW

VS Availability

NONE

SS Confidentiality

NONE

SS Integrity

NONE

SS Availability

NONE

Exploit Maturity

NOT_DEFINED

CvssVersion

4.0

Exploit Intelligence

EPSS Score

0.07%

Probability of exploitation in next 30 days

EPSS Percentile

0.1%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0007 is in the 0th percentile among its peer group of 21,977 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Advisories (1)

microsoft2026-Jun/CVE-2026-6412Low

Continued acceptance of SHA-1/MD5 digests in certificate processing

Jun 9, 2026

References

github.com / wolfSSL/wolfssl/pull/10222

Issue TrackingPatch

wolfssl.com / docs/security-vulnerabilities

Vendor Advisory