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NVD Vulnerability Details :
CVE-2026-2705
Analyzed
More InfoOfficial Page
Source-cna@vuldb.com
View Known Exploited Vulnerability (KEV) details
Published At-19 Feb, 2026 | 07:17
Updated At-19 Feb, 2026 | 20:12

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.05.3MEDIUM
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
Secondary3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Primary3.18.1HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Secondary2.05.0MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
Type: Secondary
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
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
Type: Secondary
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Type: Primary
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Type: Secondary
Version: 2.0
Base score: 5.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CPE Matches
openbabel
openbabel
>>open_babel>>Versions up to 3.1.1(inclusive)
cpe:2.3:a:openbabel:open_babel:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-119Primarycna@vuldb.com
CWE-125Primarycna@vuldb.com
CWE ID: CWE-119
Type: Primary
Source: cna@vuldb.com
CWE ID: CWE-125
Type: Primary
Source: cna@vuldb.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/oneafter/0128/blob/main/ob2/repro.mol2cna@vuldb.com
Exploit
https://github.com/openbabel/openbabel/issues/2848cna@vuldb.com
Exploit
Issue Tracking
https://vuldb.com/?ctiid.346651cna@vuldb.com
Permissions Required
VDB Entry
https://vuldb.com/?id.346651cna@vuldb.com
Third Party Advisory
VDB Entry
https://vuldb.com/?submit.754379cna@vuldb.com
Third Party Advisory
VDB Entry
Hyperlink: https://github.com/oneafter/0128/blob/main/ob2/repro.mol2
Source: cna@vuldb.com
Resource:
Exploit
Hyperlink: https://github.com/openbabel/openbabel/issues/2848
Source: cna@vuldb.com
Resource:
Exploit
Issue Tracking
Hyperlink: https://vuldb.com/?ctiid.346651
Source: cna@vuldb.com
Resource:
Permissions Required
VDB Entry
Hyperlink: https://vuldb.com/?id.346651
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://vuldb.com/?submit.754379
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Change History
0Changes found
Details not found