Gadget chain attack in Nippy

published 2020-09-11 6y ago modified 2026-06-17 4mo ago also GHSA-p5gm-fgfx-hr7h , EUVD-2022-1116

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits: 0; none known

A deserialization flaw is present in Taoensso Nippy before 2.14.2. In some circumstances, it is possible for an attacker to create a malicious payload that, when deserialized, will allow arbitrary code to be executed. This occurs because there is automatic use of the Java Serializable interface.

Patch / fix

fixed in 2 links 1

maven com.taoensso:nippy 2.14.2
taoensso nippy 2.14.2

github.com/ptaoussanis/nippy@61fb009 commit

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Exploit prediction

1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P
GitHub	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
maven	com.taoensso:nippy	<2.14.2	2.14.2

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

References

github.com /ptaoussanis/nippy/commit/61fb009fdde2994140f2da2e495ba8af3a873eb2
web
github.com /ptaoussanis/nippy/issues/130
web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2020-24164
advisory

Sources

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