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SCA: security update for github.com/axllent/mailpit (GHSA-8v65-47jx-7mfr)

medium Tenable Self-Hosted Container Security Plugin ID 436596

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Mailpit is an email testing tool and API for developers. Versions 1.28.0 and below have a Server-Side
 Request Forgery (SSRF) vulnerability in the /proxy endpoint, allowing attackers to make requests to
 internal network resources. The /proxy endpoint validates http:// and https:// schemes, but it does not
 block internal IP addresses, enabling attackers to access internal services and APIs. This vulnerability
 is limited to HTTP GET requests with minimal headers. The issue is fixed in version 1.28.1.
 (CVE-2026-21859)

See Also

https://github.com/advisories/GHSA-8v65-47jx-7mfr

Plugin Details

Severity: Medium

ID: 436596

Version: Revision 1.11

Type: Local

Family: SCA Checks

Published: 1/6/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2026-21859

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/6/2026

Vulnerability Publication Date: 1/6/2026

Reference Information

CVE: CVE-2026-21859

cwe: CWE-918