Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-90572
davenardella snap7 s7_micro_client.cpp opUpload memory corruption
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N H N L L L 2.0 .0042 33.9 —
AFFECTED
Product Versions Fixed
snap7 1.4.0 – —
TIMELINE
Sep 12 Reserved by VulDB
Sep 13 Published (CNA: VulDB)
Sep 15 EXPLOIT PUBLISHED — CVE-2026-90572 (davenardella snap7). Public exploit reference added.
Description
A vulnerability was determined in davenardella snap7 up to 1.4.3. The affected element is the function TSnap7MicroClient::opUpload of the file src/core/s7_micro_client.cpp. Executing a manipulation of the argument DataLen can lead to memory corruption. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| September 12, 2026 | Reserved | Reserved by VulDB |
| September 13, 2026 | Published | Published (CNA: VulDB) |
| September 15, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-90572 (davenardella snap7). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| davenardella | snap7 | — | 1.4.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-90572 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 Sunday, October 4, 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.