CVE-2026-45754

EUVD-2026-44360
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 6.4.40, 7.4.12, and 8.0.12, the Mailjet mailer bridge and LOX24 notifier bridge webhook parsers received configured webhook secrets but did not verify them, allowing unauthenticated POST requests to inject forged Mailjet and LOX24 event payloads. This issue is fixed in versions 6.4.40, 7.4.12, and 8.0.12.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 36.87%
Affected Products (NVD)
VendorProductVersion
sensiolabssymfony
6.4.0 ≤
𝑥
< 6.4.40
sensiolabssymfony
7.0.0 ≤
𝑥
< 7.4.12
sensiolabssymfony
8.0.0 ≤
𝑥
< 8.0.12
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
symfony
bookworm
5.4.53+dfsg-0+deb12u1
fixed
bookworm (security)
5.4.53+dfsg-0+deb12u1
fixed
bullseye
4.4.19+dfsg-2+deb11u6
fixed
bullseye (security)
4.4.19+dfsg-2+deb11u7
fixed
forky
7.4.16+dfsg-1
fixed
sid
7.4.17+dfsg-1
fixed
trixie
6.4.41+dfsg-0+deb13u1
fixed
trixie (security)
6.4.41+dfsg-0+deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
symfony
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://github.com/symfony/symfony/commit/3e52bf5ab733ee32e35eeeeb2631d859c941838e
https://github.com/symfony/symfony/commit/4aaa45dd054f73445f1ab254968b7e60b546cc77
https://github.com/symfony/symfony/releases/tag/v6.4.40
https://github.com/symfony/symfony/releases/tag/v7.4.12
https://github.com/symfony/symfony/releases/tag/v8.0.12
https://github.com/symfony/symfony/security/advisories/GHSA-64hg-93w9-fc35