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Insecure direct object reference in lamp-cloud exposes other users' files

Priority MEDIUM 64CWE-639Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

lamp-cloud through 5.10.1 contains an insecure direct object reference that lets authenticated users obtain storage URLs for other users' files. The findUrlById handler of FileAnyoneController never checks file ownership, so supplying arbitrary file ids returns access URLs. An attacker with a low-privilege account can read uploaded attachments belonging to other users (CWE-639). A proof-of-concept exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

lamp-cloud through 5.10.1 contains an insecure direct object reference vulnerability that allows authenticated users to obtain storage URLs for other users' files by supplying arbitrary file ids. Attackers can send another user's file ids to the findUrlById handler of FileAnyoneController, which never checks ownership, to retrieve access URLs and read uploaded attachments.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00238 14th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
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
dromaralamp-cloudup to 5.10.1—No fix listedCNA
  • lamp-cloud Vendordromara Affected up to 5.10.1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for lamp-cloud.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-109166
  2. 2026-10-12 Alias added: GHSA-xv2w-mrmf-rf3c
  3. 2026-10-13 CISA SSVC decision points changed
  4. 2026-11-06 Affected versions changed · Red Hat
  5. 2026-11-06 CVSS score added · Red Hat

References

  • TI-2023-28043 HertzBeat AviatorScript Inject RCE CVSS 3.1CRITICAL 9.8
  • TI-2023-24001 An issue in Dromara SaToken version 1.36.0 and before allows a remote attacker to… CVSS 3.1CRITICAL 9.8
  • TI-2023-15126 Dromara Sureness before v1.0.8 was discovered to use a hardcoded key. CVSS 3.1CRITICAL 9.8
  • TI-2025-41084 The snailjob component in RuoYi-Vue-Plus versions 5.5.1 and earlier, interface… CVSS 3.1CRITICAL 9.4
  • TI-2026-62126 lamp-cloud through 5.10.0 Missing Authentication for JVM Properties Endpoint CVSS 4.0HIGH 8.7
  • TI-2023-28044 HertzBeat SnakeYAML Deser RCE CVSS 3.1CRITICAL 9.8
See all 65 →

Sources