ObjectSocketWrapper.java in Gradle 2.12 allows remote attackers to execute arbitrary code via a crafted serialized object.

published 2017-02-07 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-7132

cvss: 9.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 4.7%; EPSS 4.7% chance of exploitation in 30 days, percentile 91%
public exploits: 0; none known

Patch / fix

distros 1

gradle Debian 14, Debian 13, Debian 12 2.13-1

debian advisories DEBIAN-CVE-2016-6199

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-6199 updated 2026-05-13 cvss 8.1

gradle: Unsafe data deserialization in the ObjectSocketWrapper class

Red Hat JBoss Enterprise Web Server 3 gradle gradle
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.67% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

discuss.gradle.org https://discuss.gradle.org/t/a-security-issue-about-gradle-rce/17726 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

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

References

discuss.gradle.org /t/a-security-issue-about-gradle-rce/17726
exploit, technical-description, third-party-advisory
philwantsfish.github.io /security/java-deserialization-github
release-notes, vendor-advisory

Sources

CVE List CVE-2016-6199
NVD CVE-2016-6199

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