Jupiter allows attackers to execute arbitrary commands via sending a crafted RPC request

published 2023-12-01 2 y ago modified 2026-06-17 4 mo ago also GHSA-6pqx-v9g4-5hc8 , EUVD-2023-3129

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits: 0; none known

A deserialization vulnerability in Jupiter v1.3.1 allows attackers to execute arbitrary commands via sending a crafted RPC request.

Patch / fix

links 1

github.com/welk1n/JNDI-Injection-Exploit/releases/tag/v1.0 release

Exploit prediction

1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/fengjiachun/Jupiter/issues/115 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
maven	org.jupiter-rpc:jupiter-rpc	<=1.3.1	no fix listed

Classification

Weakness

CWE-502 Deserialization of Untrusted Data
CWE-94 Improper Control of Generation of Code

References

github.com /fengjiachun/Jupiter/issues/115
web, exploit
github.com /fengjiachun/Jupiter
package, product
github.com /welk1n/JNDI-Injection-Exploit/releases/tag/v1.0
web, not-applicable
nvd.nist.gov /vuln/detail/CVE-2023-48887
advisory

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