Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV L L N L N L L L 1.9 .0012 2.6 —
AFFECTED Product Versions Fixed open62541 1.5.0 – —
TIMELINE Aug 4 Reserved by VulDB Aug 4 Published (CNA: VulDB) Aug 5 EXPLOIT PUBLISHED — CVE-2026-18784 (o6 open62541). Public exploit reference added.
A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UA_Client_readNodeClassAttribute of the file src/client/ua_client_highlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public and could be used. The project closed the issue report, stating that this is not the official way to report a security vulnerability.
| Date | Event | Detail |
|---|---|---|
| August 4, 2026 | Reserved | Reserved by VulDB |
| August 4, 2026 | Published | Published (CNA: VulDB) |
| August 5, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-18784 (o6 open62541). Public exploit reference added. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| o6 | open62541 | — | 1.5.0 | — |
Authoritative record: CVE-2026-18784 at cve.org
Vendors: o6
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-18784 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.