CVE-2026-75843Disclosure

LOWCVSS 9.4 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

ArcadeDB before 26.8.1 fails to bind the authenticated principal on the gRPC transaction executor thread in beginTransaction, allowing authenticated readers to execute JavaScript commands without scripting authorization checks. Attackers can execute executeCommand with a transaction ID to run unrestricted JavaScript that creates server-wide administrator accounts.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-269

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets2 URLs

By indicator

Full discourse1 post

Vulmon Vulnerability Feed@VulmonFeeds46d
Disclosure
CVE-2026-75843 Authenticated JavaScript Execution in ArcadeDB Before 26.... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-75843 Don't wait vulnerability scanning results: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=2
Post summary
The post announces CVE-2026-75843, noting it allows authenticated JavaScript execution in versions of ArcadeDB before 26, and directs users to Vulmon for more details.
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