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 .0070 50.4 —
AFFECTED Product Versions Fixed serverless-localstack 1.0 – —
TIMELINE Jul 23 Reserved by VulDB Jul 23 Published (CNA: VulDB) Jul 24 EXPLOIT PUBLISHED — CVE-2026-16763 (localstack serverless-localstack). Public exploit reference added.
A vulnerability was identified in localstack serverless-localstack up to 1.4.0. The affected element is an unknown function of the file src/index.js of the component Configuration Handler. The manipulation of the argument custom.localstack.docker.compose_file leads to os command injection. An attack has to be approached locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
| Date | Event | Detail |
|---|---|---|
| July 23, 2026 | Reserved | Reserved by VulDB |
| July 23, 2026 | Published | Published (CNA: VulDB) |
| July 24, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-16763 (localstack serverless-localstack). Public exploit reference added. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| localstack | serverless-localstack | — | 1.0 | — |
Authoritative record: CVE-2026-16763 at cve.org
Vendors: localstack
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-16763 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.