CVE-2026-56316
Last modified
CVE-2026-56316 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. 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.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-56316?
How severe is CVE-2026-56316?
How do I fix CVE-2026-56316?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-56310Cap-go before 12.128.2 contains an authorization bypass vuln…5.3
- CVE-2026-56311Capgo before 12.128.2 contains an authorization bypass vulne…6.9
- CVE-2026-56312Capgo before 12.128.2 contains an improper validation vulner…6.9
- CVE-2026-56313Capgo before 12.128.2 contains a cross-organization account …8.1
- CVE-2026-56314Capgo before 12.128.12 fails to filter deleted app versions …7.1
- CVE-2026-56315picklescan before 1.0.4 fails to block at least seven Python…9.8
- CVE-2026-56317Nuxt before 4.4.7 (and the 3.x branch before 3.21.7) contain…6.1
- CVE-2026-56318Capgo before 12.128.2 contains an information disclosure vul…6.9
- CVE-2026-56319Capgo before 12.128.2 contains an information disclosure vul…5.3
- CVE-2026-5632A vulnerability was found in assafelovic gpt-researcher up t…7.3
- CVE-2026-56320Capgo before 12.128.2 contains an authorization flaw in POST…7.1
- CVE-2026-56321Capgo (backend Supabase edge functions) before 12.128.2 does…6.9
Are you affected by CVE-2026-56316?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST