SCA: security update for symfony/mailtrap-mailer, symfony/symfony (GHSA-59f3-vp2f-mp9w)

medium Tenable Self-Hosted Container Security Plugin ID 442437

Description

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

- Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to
7.4.12 and 8.0.12, MailtrapRequestParser::doParse() received the configured webhook secret but ignored the
X-Mt-Signature HMAC header, allowing unauthenticated POST requests to inject forged Mailtrap delivery,
bounce, open, click, or spam events. This issue is fixed in versions 7.4.12 and 8.0.12. (CVE-2026-45755)

Solution

Update the symfony/mailtrap-mailer library and its related packages to version 7.4.12 or later.

See Also

https://github.com/advisories/GHSA-59f3-vp2f-mp9w

Plugin Details

Severity: Medium

ID: 442437

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 5/28/2026

Updated: 7/16/2026

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: 3.7

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

CVSS Score Source: CVE-2026-45755

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 2.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/28/2026

Vulnerability Publication Date: 5/28/2026

Reference Information

CVE: CVE-2026-45755