How severe is CVE-2026-2704?

CVE-2026-2704 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-2704 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2704?

CVE-2026-2704 affects Openbabel Open Babel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2704?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-2704 have an EU (EUVD) identifier?

Yes. CVE-2026-2704 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7428.

When was CVE-2026-2704 published?

CVE-2026-2704 was published on 2026-02-19 and last updated on 2026-06-17.

CVE-2026-2704

CVE-2026-2704 is a medium-severity vulnerability in Openbabel Open Babel with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 5.0
CVSS v4: 2.1
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7428
Weakness: CWE-119
Affected product: Openbabel Open Babel
Published: 2026-02-19
Last modified: 2026-06-17

Description

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. Upgrading to version 3.2.0 is sufficient to fix this issue. The identifier of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is suggested to install a patch to address this issue.

Frequently asked questions

What is CVE-2026-2704?: 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. Upgrading to version 3.2.0 is sufficient to fix this issue. The identifier of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is suggested to install a patch to address this issue.
How severe is CVE-2026-2704?: CVE-2026-2704 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-2704 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2704?: CVE-2026-2704 affects Openbabel Open Babel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2704?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2704 have an EU (EUVD) identifier?: Yes. CVE-2026-2704 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7428.
When was CVE-2026-2704 published?: CVE-2026-2704 was published on 2026-02-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openbabel:open_babel:*:*:*:*:*:*:*:*

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