PT-2026-44170 · Unknown · Mailomat-Mailer

CVE-2026-48747 · Published 2026-05-27 · Updated 2026-07-14

Positive Technologies (AI Summary)

CVSS v4.0

6.3

Medium

Base vector

AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions mailomat-mailer (affected versions not specified)

Description A Signature Algorithm Downgrade flaw exists in the mailomat-mailer component. This issue allows an attacker to perform complete Signature Forgery, which is the act of creating a fraudulent digital signature that appears to be valid.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

CWE-757

Related Identifiers

CVE-2026-48747

GHSA-RRJ9-5Q2J-4GVR

Affected Products

Mailomat-Mailer

References · 20

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48747.json · Exploit
• 🔥 https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2026-48747.yaml · Exploit
• 🔥 https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/mailomat-mailer/CVE-2026-48747.yaml · Exploit
• https://github.com/symfony/symfony/security/advisories/GHSA-rrj9-5q2j-4gvr · Vendor Advisory
• https://github.com/symfony/symfony/commit/bdfe9fe0d94d33dfaca0bc2fe0b00b54767b0c88 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-48747 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-rrj9-5q2j-4gvr · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-48747 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-48747 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-48747 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-48747 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-48747 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-48747 · Vendor Advisory
• https://github.com/symfony/symfony/releases/tag/v7.4.13 · Note
• https://github.com/symfony/symfony/releases/tag/v8.0.13 · Note