CVE-2026-110879 Jackson-databind - Remote Code Execution

Jackson-databind 2.10.0 and 3.0.0 contain a remote code execution vulnerability caused by improper validation of generic type arguments in class-name polymorphism, letting attackers execute arbitrary commands via crafted input, exploit requires attacker-controlled input with default typing enabled.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
1.20% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
28 October 2026
Updated
29 October 2026
Weakness
CWE-502

Vendor fix

Update to the latest jackson-databind version with fixes beyond 3.0.0 or 2.10.x series.

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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