Pippo RCE Vulnerability

published 2018-10-11 8 y ago modified 2026-06-17 4 mo ago also GHSA-h892-x453-86wc , EUVD-2022-4106

cvss: 9.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 3.7%; EPSS 3.7% chance of exploitation in 30 days, percentile 89%
public exploits: 0; none known

Pippo through 1.11.0 allows remote code execution via a command to java.lang.ProcessBuilder because the XstreamEngine component does not use XStream's available protection mechanisms to restrict unmarshalling.

Patch / fix

fixed in 2 links 1

maven ro.pippo:pippo-core 1.12.0
maven ro.pippo:pippo-session 1.12.0

github.com/pippo-java/pippo@c6b2655 commit

Exploit prediction

3.65% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/pippo-java/pippo/issues/454 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
maven	ro.pippo:pippo-core	<1.12.0	1.12.0
maven	ro.pippo:pippo-session	<1.12.0	1.12.0

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

References

github.com /pippo-java/pippo/commit/c6b26551a82d2dd32097fcb17c13c3b830916296
web
github.com /pippo-java/pippo/issues/454
web, exploit, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2018-18240
advisory
github.com /pippo-java/pippo
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary