CVE-2026-2705HIGH 8.1EPSS p47.2%
CVE-2026-2705CVE-2026-2705
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.
Scoring
| CVSS 3.1 | 8.1 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H |
| EPSS | 0.67% probability of exploitation · percentile 47.2% · 2026-06-19T12:03:05Z |
| Published | 2026-02-19 |
| Last modified | 2026-04-29 |
Underlying weaknesses· 2
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
- https://vuldb.com/?id.346651
- https://vuldb.com/?submit.754379
2
| Type | Target | Confidence | Tier |
|---|---|---|---|
| Weakness | Improper Restriction of Operations within the Bounds of a Memory Buffercwe-119 | 0% | live |
| Weakness | Out-of-bounds Readcwe-125 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.