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CVE-2026-40945

8.7
High
EPSS 0.31%Patch availableApr 22, 2026

Bearer tokens logged in plaintext in debug logs prior to 0.16.2.

common questions

Is CVE-2026-40945 being exploited?

Not confirmed. CVE-2026-40945 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 0.31% probability of exploitation in the next 30 days.

How severe is CVE-2026-40945?

CVE-2026-40945 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-2026-40945?

Yes. A fix has been recorded for CVE-2026-40945. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-40945 affect?

CVE-2026-40945 affects Oxia metadata store (versions < 0.16.2). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-40945?

Upgrade to 0.16.2+ and disable prod debug logging.

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

executive summary
technical analysis
affected
Oxia metadata store (versions < 0.16.2)
impact

JWT tokens exposed in plaintext in production logs; token theft and session hijacking risk.

action required

Patch when possible

affected versions
oxia-db oxia
  • affected< 0.16.2

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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