How serious is CVE-2026-3408?

This vulnerability has a CVSS score of 5.3 out of 10, classified as MEDIUM severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2026-3408?

Yes, proof-of-concept exploit code for CVE-2026-3408 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2026-3408?

CVE-2026-3408 affects openbabel open babel. Check the full CVE details for specific version information.

How do I fix CVE-2026-3408?

To remediate CVE-2026-3408, check for security patches from openbabel. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-3408

Medium

|5.3

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

An attacker can exploit a vulnerability in Open Babel to cause the software to crash by triggering a null pointer error, which can be done remotely. To be effective, the attacker needs to manipulate the CDXML file handling function, and a public exploit is already available, making it important to apply the provided patch to fix the issue.

Technical Description

A vulnerability was identified in Open Babel up to 3.1.1. This impacts the function OBAtom::GetExplicitValence of the file isrc/atom.cpp of the component CDXML File Handler. Such manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit is publicly available and might be used. The name of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is best practice to apply a patch to resolve this issue.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeChanged

Vector String

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$724($500-$1K)

Vendor Response

Grade APatched in 1 day

Quick Information

Published

Mar 2, 2026

about 1 month ago

Last Modified

Mar 4, 2026

about 1 month ago

Vendor

openbabel

Product

open babel