Detections
Analytics

SCA: security update for MailKit (GHSA-9j88-vvj5-vhgr)

high Tenable Self-Hosted Container Security Plugin ID 440651

Description

MailKit has STARTTLS Response Injection via unflushed stream buffer that enables SASL mechanism downgrade

Solution

Update the MailKit library and its related packages to version 4.16.0 or later.

See Also

https://github.com/advisories/GHSA-9j88-vvj5-vhgr

Plugin Details

Severity: High

ID: 440651

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 4/18/2026

Updated: 4/18/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 4/18/2026

Vulnerability Publication Date: 4/18/2026

Reference Information

cwe: CWE-74