CVE•Published 2026-06-21•Modified 2026-06-22•0 articles on news•4 live references•NVD data
CVE-2026-56316
Vulnerability data via NVD (ingested)
CVSS v3.1
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS percentile
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Weaknesses (CWE)
Description
Cap-go before 12.128.2 contains an information disclosure vulnerability in the OPTIONS /build/upload/:jobId/* endpoint that allows unauthenticated attackers to enumerate valid builder job IDs through observable response discrepancies. Attackers can probe the endpoint without authentication to distinguish valid job IDs from invalid ones and generate sustained unauthenticated traffic for resource consumption.
Timeline
Published 2026-06-21
Modified 2026-06-22
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-56316Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-56316Censys host search filtered to this CVE id.
grep.app
CVE-2026-56316Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-56316GitHub code search for direct mentions.
Google dork
"CVE-2026-56316" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-56316 on GitHub.
We haven't classified any articles referencing CVE-2026-56316 yet. The external references above still apply.