PT-2025-49569 · Snakeyaml+1 · Snakeyaml+1

Published 2025-12-08 · Updated 2025-12-11 · CVE-2025-63721

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions HummerRisk versions through 1.5.0

Description HummerRisk is affected by an issue stemming from a vulnerable Snakeyaml component, potentially allowing attackers to achieve Remote Code Execution (RCE) and gain control of the server.

Recommendations Update HummerRisk to a version beyond 1.5.0.

Exploit

Fix

RCE

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2025-63721

Affected Products

Hummerrisk

Snakeyaml

References · 7

• 🔥 https://gist.github.com/k1ng0fic3/e8c8c9353fff8fa95e2c2952587e9266 · Exploit
• 🔥 https://github.com/k1ng0fic3/secrisk/blob/main/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-63721 · Security Note
• https://osv.dev/vulnerability/CVE-2025-63721 · Vendor Advisory
• https://t.me/CVEtracker/39138 · Telegram Post
• https://twitter.com/dailycve/status/1999096780772753574 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1998193082534183181 · Twitter Post