CVE-2016-5019

Apache MyFaces Trinidad Deserialization Vulnerability

9.8 CriticalFix available

CVE-2016-5019 is a critical vulnerability (CVSS 9.8) in Apache Myfaces Trinidad, published October 3, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.96%, the 94th percentile. Fixed in org.apache.myfaces.trinidad:trinidad 1.2.15.

CoreResponseStateManager in Apache MyFaces Trinidad 1.0.0 through 1.0.13, 1.2.x before 1.2.15, 2.0.x before 2.0.2, and 2.1.x before 2.1.2 might allow attackers to conduct deserialization attacks via a crafted serialized view state string.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

7.96%Up 2.7 points since Feb 4, 2022

What each source reports

NVD Score used 9.8

Record: CVE-2016-5019
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-502
Updated: 2026-11-02

CVE List No score

Record: CVE-2016-5019
Updated: 2026-11-02

EUVDEUVD-2022-5742 No score

Record: EUVD-2022-5742
Updated: 2026-11-03

GitHub AdvisoriesGHSA-x7rc-4gqw-3q6q 9.8

Apache MyFaces Trinidad Deserialization Vulnerability

CoreResponseStateManager in Apache MyFaces Trinidad 1.0.0 through 1.0.13, 1.2.x before 1.2.15, 2.0.x before 2.0.2, and 2.1.x before 2.1.2 might allow attackers to conduct deserialization attacks via a crafted serialized viewstate string.

Record: GHSA-x7rc-4gqw-3q6q
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

OSV 9.8

Record: CVE-2016-5019
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVGHSA-x7rc-4gqw-3q6q 9.8

Apache MyFaces Trinidad Deserialization Vulnerability

Record: GHSA-x7rc-4gqw-3q6q
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

Affected products

apache myfaces trinidad

Affected packages

Affected packages
Package	Affected	Fixed
`org.apache.myfaces.trinidad:trinidad` Maven	1.0.0 to 1.0.13	None known
`org.apache.myfaces.trinidad:trinidad` Maven	1.2.0 up to 1.2.15	1.2.15
`org.apache.myfaces.trinidad:trinidad` Maven	2.0.0 up to 2.0.2	2.0.2
`org.apache.myfaces.trinidad:trinidad` Maven	2.1.0 up to 2.1.2	2.1.2
`org.apache.myfaces.trinidad:trinidad` Maven	1.0.0 to 1.0.13, plus listed versions 1.0.11.0.101.0.111.0.121.0.2 Show 7 moreShow less 1.0.31.0.41.0.51.0.61.0.71.0.81.0.9	None known
`org.apache.myfaces.trinidad:trinidad` Maven	1.2.0 up to 1.2.15, plus listed versions 1.2.11.2.101.2.111.2.121.2.13 Show 9 moreShow less 1.2.141.2.21.2.31.2.41.2.51.2.61.2.71.2.81.2.9	1.2.15
`org.apache.myfaces.trinidad:trinidad` Maven	2.0.0 up to 2.0.2, plus listed versions 2.0.1	2.0.2
`org.apache.myfaces.trinidad:trinidad` Maven	2.1.0 up to 2.1.2, plus listed versions 2.1.1	2.1.2

History

History
When	Changed	Sources
2026-11-03	aliases	EUVD
2026-11-02	created	CVE List, GitHub Advisories, NVD, OSV

References

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