CVE-2026-2705

Open Babel MOL2 File atom.h SetFormalCharge out-of-bounds

HIGH
8.1
CVSS Score
Published: February 19, 2026 at 05:02 AM UTC
Updated: June 17, 2026 at 10:31 AM UTC
1 product affected across 1 vendorOpen Babel

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Severity
HIGH8.1
Exploit prediction
EPSS 0.8%
SSVC
PoC

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 project was informed of the problem early through an issue report but has not responded yet.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.346651
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.346651
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.754379
Issue TrackingExploit
Source: cverecord
https://github.com/openbabel/openbabel/issues/2848
Issue TrackingPatch
Source: cverecord
https://github.com/openbabel/openbabel/pull/2862

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125CWE-119

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