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CVE-2026-34999 Volcengine CVE debrief

CVE-2026-34999 is a missing authentication vulnerability in OpenViking versions 0.2.5 to 0.2.13. Remote unauthenticated attackers can access protected bot proxy functionality. Fixed in version 0.2.14. This issue allows attackers to bypass authentication checks and interact directly with the upstream bot backend through the OpenViking proxy without valid credentials.

Vendor
Volcengine
Product
OpenViking
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-01
Original CVE updated
2026-07-14
Advisory published
2026-04-01
Advisory updated
2026-07-14

Who should care

Users of OpenViking versions 0.2.5 to 0.2.13 should apply the patch to prevent unauthorized access to bot proxy functionality. Operators, platform administrators, vulnerability management teams, and security teams should review and mitigate this vulnerability.

Technical summary

OpenViking versions 0.2.5 through 0.2.13 have a vulnerability in the bot proxy router. This vulnerability allows remote unauthenticated attackers to access protected bot proxy functionality by sending POST requests to /bot/v1/chat and /bot/v1/chat/stream endpoints, effectively bypassing authentication checks and interacting directly with the upstream bot backend through the OpenViking proxy without valid credentials. The issue is addressed in OpenViking version 0.2.14.

Defensive priority

Medium priority due to CVSS score of 6.9 and potential for unauthorized access.

Recommended defensive actions

  • Apply the patch by upgrading to OpenViking version 0.2.14 or later.
  • Restrict access to the bot proxy endpoints until patched.
  • Monitor for suspicious activity on the bot proxy endpoints.
  • Review compensating controls for exposed systems while remediation is scheduled and verified.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented.
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record was published on 2026-04-01T14:16:55.947Z and last modified on 2026-07-14T19:17:03.680Z. The NVD entry is currently Analyzed. Evidence is limited to CVE and NVD details. Defenders should verify OpenViking version and patch status.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-34999 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-34999

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-34999 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-34999

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.