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CVE-2026-56082

8.7
High
EPSS 0.37%Patch availableJun 20, 2026

Unauth attacker exploits Capgo RPC to tamper cross-tenant billing logs and cause DoS.

common questions

Is CVE-2026-56082 being exploited?

Not confirmed. CVE-2026-56082 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.37% probability of exploitation in the next 30 days.

How severe is CVE-2026-56082?

CVE-2026-56082 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-56082?

Yes. A fix has been recorded for CVE-2026-56082. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-56082 affect?

CVE-2026-56082 affects Capgo platform (Cap-go/capgo) <= 12.128.1, Public.record_build_time RPC. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-56082?

Update to 12.128.2; revoke anon keys; enforce access controls.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
Capgo platform (Cap-go/capgo) <= 12.128.1Public.record_build_time RPC
impact

Cross-tenant billing data tampering and DoS via public.record_build_time RPC; unauthenticated access leads to inflated charges.

action required

Patch when possible

affected versions
Cap-go capgo
  • affected< 12.128.2
vendor says fixed in12.128.2

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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