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VulnerabilityPublished

CVE-2026-44830: Dataojitori nocturne_memory · Missing Authentication

Affects Dataojitori nocturne_memorySource CVE Database V5

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Not known to be exploited · CVSS 8.7 High : upgrade to 2.4.1 soon.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 4.0 base score
8.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.4.1
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade nocturne_memory and dataojitori/nocturne_memory to 2.4.1.

Affected software

ProductAffectedFixed in
Dataojitorinocturne_memoryAffected
  • <2.4.1
Fixed in
  • 2.4.1
GitHubdataojitori/nocturne_memorypkg:github/dataojitori/nocturne_memoryOther threatsAffected
  • <2.4.1
Fixed in
  • 2.4.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade nocturne_memory to version 2.4.1 or later, where this authentication bypass vulnerability is fixed. Until upgraded, ensure that the API_TOKEN environment variable is explicitly set to a strong token to enforce authentication. Review and restrict network exposure by avoiding binding the service to 0.0.0.0 if not necessary and limit CORS origins to trusted domains. Patch status is confirmed fixed in version 2.4.1.

Description

Nocturne Memory is a lightweight, rollbackable, and visual Long-Term Memory Server for MCP Agents. Prior to 2.4.1, when API_TOKEN is unset or empty, the BearerTokenAuthMiddleware bypasses authentication for all HTTP requests. Combined with the default 0.0.0.0 host binding and CORS allow_origins=["*"], operators following the Docker setup without explicitly setting API_TOKEN expose the full Knowledge-Graph read/write API to any LAN-reachable client. An attacker on the same network can read, write, or delete all memory entries — including system://boot and core://* URIs that auto-load into downstream agent sessions, enabling persistent prompt-injection. This vulnerability is fixed in 2.4.1.

References

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