CVE-2025-59340 is a critical sandbox bypass vulnerability affecting HubSpot's Jinjava template engine prior to version 2.8.1. It allows an attacker to deserialize arbitrary classes via the ObjectMapper, enabling access to local files and potentially leading to remote code execution. With a CVSS score of 10.0, this vulnerability is easily exploitable over the network with no user interaction, posing a severe risk to confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code, the vulnerability has garnered some community discussion, indicating awareness of its critical nature.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.8.1CPE matchmatch criteria | cpe:2.3:a:hubspot:jinjava:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.