VulnSocial

CVE-2026-67357Disclosure

LOWCVSS 7.7 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

ArcadeDB versions before 26.7.3 contain an information disclosure vulnerability in the MCP get_server_settings tool that leaks the arcadedb.ha.clusterToken in cleartext. Attackers with MCP access can retrieve the cluster token and use it with X-ArcadeDB-Cluster-Token and X-ArcadeDB-Forwarded-User headers to impersonate root and achieve full server compromise.

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0.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-200

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Patch or workaround signal is available
  • 4 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 4 signals
  • Disclosure: 3 classified signals
  • Peaked 2d ago at 2 mentions (2026-08-02); latest day: 1
  • 4 total mentions across 3 days

Deep dive

Activity timeline4 mentions / 3d
01122Mentions · 2026-08-02: 2Mentions · 2026-09-13: 1Mentions · 2026-10-08: 1Patch / Workaround · 2026-10-08: 1Technical Details · 2026-08-02: 2Technical Details · 2026-09-13: 1Technical Details · 2026-10-08: 108-0209-1310-08
Signal classification2 categories
Disclosure
375.0%
Patch
125.0%
Referenced assets4 URLs
Classification over time
DateTotalLabels
2026-08-022
Disclosure2
2026-09-131
Disclosure1
2026-10-081
Patch1
Full discourse4 posts
  • Ryx@PadhiyarRushi
    Disclosure

    ArcadeDB MCP had a settings tool that just returned the high-availability cluster token in cleartext (CVE-2026-67357). That token was enough to impersonate root through specific headers. Authenticated MCP client → cluster-level access. “Settings” endpoints that dump secrets are still one of the most reliable privilege pivots in new protocols. https://adversa.ai/blog/top-mcp-security-resources-september-2026/ #Cybersecurity #AI #AISecurity #MCP #Claude #GPT #Infosec #Trending #AppSec

    Post summary

    The tweet reports that ArcadeDB MCP's settings tool leaks the high-availability cluster token in cleartext (CVE‑2026‑67357), allowing root impersonation through header manipulation, highlighting a privilege escalation vulnerability.

    00011116
    852 followersView on X
  • Rollbar@rollbar
    Patch

    ArcadeDB's MCP server let a user with read permission fetch the database's cluster token, and that token was enough to act as root (CVE-2026-67357, fixed in 26.7.3). Our MCP server's one write tool, update-item, fails with a read-scope token. https://roll.bar/6dqzV5

    Post summary

    The text describes how read access could expose a cluster token sufficient for root-level actions and states that the issue was fixed in version 26.7.3. No PoC, exploit tool, or active exploitation is reported.

    10000117
    3.9K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-67357 ArcadeDB versions before 26.7.3 contain an information disclosure vulnerability in the MCP get_server_settings tool that leaks the arcadedb.ha.clusterToken in clearte… https://www.cve.org/CVERecord?id=CVE-2026-67357

    Post summary

    The statement informs that ArcadeDB versions prior to 26.7.3 contain an information‑disclosure flaw that leaks the cluster token via get_server_settings, with no evidence of active exploitation, PoC, or patch.

    00000649
    57.9K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-67357 Information Disclosure and Root Impersonation in ArcadeDB Before 26.7.3 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-67357

    Post summary

    A brief notice that CVE-2026-67357, an Information Disclosure and Root Impersonation vulnerability, exists in ArcadeDB before version 26.7.3, with no further details or evidence of exploitation, patches, or PoC.

    00000102
    4.1K followersView on X

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