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TI-2026-68431 Aliases CVE-2026-106040GHSA-mx67-78cv-m3mg

Missing authorization in Mooncake Store allows disk replica eviction

Priority MEDIUM 44CWE-862Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

kvcache-ai Mooncake Store through 0.3.13.post1 has a missing authorization flaw (CWE-862) in the EvictDiskReplica function. An unauthenticated remote attacker who can reach the coro_rpc master port can evict disk replicas of any object across all tenants, deleting objects whose only remaining replica is on disk.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Mooncake Store master through 0.3.13.post1 contains a missing authorization vulnerability that allows unauthenticated attackers to erase any object's disk replica via EvictDiskReplica and BatchEvictDiskReplica. Attackers reaching the coro_rpc master port can evict DISK replicas across all tenants, deleting objects whose only remaining replica is on disk.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00379 32nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
kvcache-aiMooncakeup to 0.3.13.post1—No fix listedCNA
  • Mooncake Vendorkvcache-ai Affected up to 0.3.13.post1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Mooncake.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-06 Threatist record created from CVE-2026-106040
  2. 2026-10-06 Alias added: GHSA-mx67-78cv-m3mg
  3. 2026-10-06 CISA SSVC decision points changed

References

Other 3

  • TI-2026-68428 Missing authentication in Mooncake Store REST service CVSS 4.0CRITICAL 9.3
  • TI-2026-65760 Mooncake transfer engine before 0.3.13 Unauthenticated Arbitrary Memory Read/Write via TCP Transport CVSS 4.0CRITICAL 9.3
  • TI-2026-21201 KTransformers Unsafe Deserialization RCE via balance_serve CVSS 4.0CRITICAL 9.3
  • TI-2026-65761 Mooncake through 0.3.13.post1 Missing Authentication in HTTP Metadata Server CVSS 4.0HIGH 8.8
  • TI-2026-68429 Mooncake Store lets unauthenticated attackers delete any object CVSS 4.0HIGH 8.8
  • TI-2026-67384 Mooncake before 0.3.12 Out-of-Bounds Read via P2P Handshake readString CVSS 4.0HIGH 8.7
See all 14 →

Sources

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