CVE-2026-103831 TrueLayer Magento 2 Plugin - Insecure Deserialization

TrueLayer Magento 2 Plugin contains an insecure deserialization vulnerability in Psr16CacheAdapter caused by unrestricted use of PHP's unserialize() on cached data, letting attackers with cache write access execute arbitrary code.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.17% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Insecure Deserialization
Impact
Remote Code Execution
CVSS vector
CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
6 October 2026
Updated
15 October 2026
Weakness
CWE-502

Vendor fix

Update to the latest version with secure deserialization handling or apply patches restricting allowed classes during unserialize.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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