Which versions of Open Babel are affected by CVE-2026-2704?

Organizations using Open Babel should be aware of moderate risk from CVE-2026-2704, a buffer overflow vulnerability rated CVSS 4.3. Exploitation could cause memory corruption or application crashes.. A patch is available.

Is there a public PoC exploit available for CVE-2026-2704?

Yes, a public proof-of-concept exploit is available for CVE-2026-2704. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-2704?

Within 30 days: Identify affected systems running Open Babel and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Open Babel CVE-2026-2704

Q: What is the CVSS score of CVE-2026-2704?

CVE-2026-2704 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: 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. EPSS exploitation probability: 0.1%.

EUVD-2026-7428 LOW

Buffer Overflow (CWE-119)

2026-02-19 cna@vuldb.com

GHSA-2m54-8m6g-qf93

GHSA-6xw4-2g22-26h8

Buffer Overflow Open Babel Babel Openbabel

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

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

SUSE

4.3 MEDIUM

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

Primary rating from NVD.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

4.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

Mar 12, 2026 - 22:03 vuln.today

PoC Detected

Mar 01, 2026 - 07:15 vuln.today

Public exploit code

CVE Published

Feb 19, 2026 - 07:17 nvd

MEDIUM 4.3

DescriptionCVE.org

A security vulnerability has been detected in Open Babel up to 3.1.1. The affected element is the function OpenBabel::transform3d::DescribeAsString of the file src/math/transform3d.cpp of the component CIF File Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is suggested to install a patch to address this issue. The project was informed of the problem early through an issue report but has not responded yet.

AnalysisAI

Out-of-bounds read in Open Babel's CIF file handler (versions up to 3.1.1) allows remote denial of service when processing malicious files. Public exploit code exists for this vulnerability, and no patch is currently available. Attackers can trigger a crash by sending specially crafted input to the affected transform3d function without requiring authentication or user interaction beyond opening a file.

Technical ContextAI

Classified as CWE-119 (Buffer Overflow). Affects Open Babel. A security vulnerability has been detected in Open Babel up to 3.1.1. The affected element is the function OpenBabel::transform3d::DescribeAsString of the file src/math/transform3d.cpp of the component CIF File Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is suggested to install a patch to address this issue

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible. Restrict network access to the affected service where possible.