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TI-2021-11380 Aliases CVE-2021-31158GHSA-j8hg-ph7r-fwmj

In the Query Engine in Couchbase Server 6.5.x and 6.6.x through 6.6.1, Common Table…

Priority LOW 30CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.

Summary

In the Query Engine in Couchbase Server 6.5.x and 6.6.x through 6.6.1, Common Table Expression queries were not correctly checking the user's permissions, allowing read-access to resources beyond what those users were explicitly allowed to access.

Why it matters now

EPSS 0.00704 53rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:couchbase:couchbase_server:*:*:*:*:*:*:*:*6.5.0 to before 6.6.2VulnerableCouchbase
  • cpe:2.3:a:couchbase:couchbase_server:*:*:*:*:*:*:*:* Versions 6.5.0 to before 6.6.2 Vulnerable ·Couchbase

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-31158
  2. 2026-10-03 Alias added: GHSA-j8hg-ph7r-fwmj

References

Advisory 2

  • TI-2024-00478 Out-of-bounds read in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2023-02885 Type confusion in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2023-01910 Type confusion in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2023-27712 Python-cryptography: bleichenbacher timing oracle attack against rsa decryption - incomplete fix for cve-2020-25659 CVSS 3.1HIGH 7.5
  • TI-2020-15177 Exposed Erlang Cookie could lead to Remote Command Execution (RCE) attack. CVSS 3.1CRITICAL 9.8
  • TI-2023-27298 An issue was discovered in Couchbase Server before 7.2.4. CVSS 3.1CRITICAL 9.8
See all 62 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences