CVE-2018-18893

Jinjava calls getClass

5.3 MediumPublic exploitFix available

Jinjava before 2.4.6 does not block the getClass method, related to com/hubspot/jinjava/el/ext/JinjavaBeanELResolver.java.

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: Low
Integrity: None
Availability: None

Exploit likelihood

1.83%Up 1.2 points since Apr 14, 2021

What each source reports

NVD Score used 5.3

Jinjava before 2.4.6 does not block the getClass method, related to com/hubspot/jinjava/el/ext/JinjavaBeanELResolver.java.

Record: CVE-2018-18893
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Updated: 2026-11-02

CVE List No score

Jinjava before 2.4.6 does not block the getClass method, related to com/hubspot/jinjava/el/ext/JinjavaBeanELResolver.java.

Record: CVE-2018-18893
Updated: 2026-11-02

EUVDEUVD-2019-0172 No score

Jinjava before 2.4.6 does not block the getClass method, related to com/hubspot/jinjava/el/ext/JinjavaBeanELResolver.java.

Record: EUVD-2019-0172
Updated: 2026-11-03

GitHub AdvisoriesGHSA-45r8-3495-x6rm 5.3

Jinjava calls getClass

Jinjava before 2.4.6 does not block the getClass method, related to com/hubspot/jinjava/el/ext/JinjavaBeanELResolver.java.

Record: GHSA-45r8-3495-x6rm
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

OSVGHSA-45r8-3495-x6rm 5.3

Jinjava calls getClass

Jinjava before 2.4.6 does not block the getClass method, related to com/hubspot/jinjava/el/ext/JinjavaBeanELResolver.java.

Record: GHSA-45r8-3495-x6rm
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

Affected products

hubspot jinjava

Affected packages

Affected packages
Package	Affected	Fixed
`com.hubspot.jinjava:jinjava` Maven	before 2.4.6	2.4.6
`com.hubspot.jinjava:jinjava` Maven	before 2.4.6, plus listed versions 1.0.01.0.11.0.21.0.31.0.4 Show 45 moreShow less 1.0.51.0.61.0.71.0.81.0.92.0.02.0.12.0.102.0.11-java72.0.22.0.32.0.42.0.52.0.62.0.72.0.82.0.92.1.02.1.12.1.102.1.112.1.122.1.132.1.142.1.152.1.162.1.172.1.182.1.192.1.22.1.32.1.42.1.52.1.62.1.72.1.82.1.92.2.02.2.12.2.102.2.22.2.32.2.42.2.52.2.6	2.4.6

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	LycsHub/CVE-2018-18893	2023-02-17

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-18893 is a medium vulnerability (CVSS 5.3) in Hubspot Jinjava, published January 3, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.83%, the 78th percentile. Fixed in com.hubspot.jinjava:jinjava 2.4.6.

References

This page doesn't list everything

Left out here: 15 versions. The JSON record has them.