CVE-2025-33240: nvidia megatron-bridge Code Injection
CVSS: 7.8v3.1HighAnalyzed
Published 18-02-2026Last modified 18-02-2026
Vulnerability summary
CVE-2025-33240 is a high (CVSS 7.8) Code Injection vulnerability in nvidia megatron-bridge. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.23%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 18-02-2026PublishedVulnerability first disclosed.
- 18-02-2026Last modifiedVulnerability information updated.
Description
NVIDIA Megatron Bridge contains a vulnerability in a data shuffling tutorial, where malicious input could cause a code injection. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, information disclosure, and data tampering.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
+0.03 pp
From 0.21% on 19-09-2026
19-09-202619-10-2026
EPSS score0.23%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Nvidia2 products
- megatron-bridgeAll versions prior to 0.2.2
- nemo_megatron_bridge< 0.2.2
1 vendor · 2 products
References
3 links
- www.cve.org/CVERecord?id=CVE-2025-33240Third Party Advisory
- nvidia.custhelp.com/app/answers/detail/a_id/5781Vendor Advisory