CVE-2026-2705

Name: CVE-2026-2705
Creator: NVD / NIST
Published: 2026-02-19T07:17:49.99+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 0.70%

Last modified Jun 17, 2026

CVE-2026-2705 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. A vulnerability was detected in Open Babel up to 3.1.1. The impacted element is the function OBAtom::SetFormalCharge in the library include/openbabel/atom.h of the component MOL2 File Handler. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

Description

A vulnerability was detected in Open Babel up to 3.1.1. The impacted element is the function OBAtom::SetFormalCharge in the library include/openbabel/atom.h of the component MOL2 File Handler. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit is now public and may be used. The patch is identified as e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. A patch should be applied to remediate this issue. The project was informed of the problem early through an issue report but has not responded yet.

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

CVSS 4.0

2.1/10

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 Probability

0.70%

48.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Openbabel	Open Babel	<= 3.1.1

References

https://github.com/VedantMadane/openbabel/commit/e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a
https://github.com/oneafter/0128/blob/main/ob2/repro.mol2Exploit
https://github.com/openbabel/openbabel/issues/2848Exploit, Issue Tracking
https://github.com/openbabel/openbabel/pull/2862
https://vuldb.com/?ctiid.346651Permissions Required, VDB Entry
https://vuldb.com/?id.346651Third Party Advisory, VDB Entry
https://vuldb.com/?submit.754379Third Party Advisory, VDB Entry

Timeline

Published: Feb 19, 2026
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2026-2705?

How severe is CVE-2026-2705?

CVE-2026-2705 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.

How do I fix CVE-2026-2705?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-2705?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST