{"cve":"CVE-2026-2705","nvd":{"published":"2026-02-19T07:17:49.990","modified":"2026-06-17T10:31:34.540","status":"Modified","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.","cvss_v4":{"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","score":2.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","score":8.1},"cwes":["CWE-119","CWE-125"],"references":["https://github.com/VedantMadane/openbabel/commit/e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a","https://github.com/oneafter/0128/blob/main/ob2/repro.mol2","https://github.com/openbabel/openbabel/issues/2848","https://github.com/openbabel/openbabel/pull/2862","https://vuldb.com/?ctiid.346651"],"products":["openbabel:open_babel"],"source":"nvd","synced_at":"2026-10-19T22:23:35.260773158+00:00"},"epss":{"cve":"CVE-2026-2705","score":0.00838,"percentile":0.57802,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4w5w-4fhm-q483","url":"https://osv.dev/vulnerability/GHSA-4w5w-4fhm-q483","summary":"Open Babel has NULL pointer dereference in MOL2 OBAtom::SetFormalCharge","modified":"2026-07-13T16:43:30.010308892Z","packages":[{"ecosystem":"PyPI","name":"openbabel","purl":"pkg:pypi/openbabel","ranges":["<3.2.0"],"fixed":["3.2.0"]}]},{"id":"PYSEC-2026-2770","url":"https://osv.dev/vulnerability/PYSEC-2026-2770","summary":"Open Babel has NULL pointer dereference in MOL2 OBAtom::SetFormalCharge","modified":"2026-07-13T16:32:05.741598270Z","packages":[{"ecosystem":"PyPI","name":"openbabel","purl":"pkg:pypi/openbabel","ranges":["<3.2.0"],"fixed":["3.2.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}