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VulnerabilityPublished

CVE-2026-38924: Oraios AI Serena · Incorrect Resource Transfer Between Spheres

Affects Oraios AI SerenaSource CVE Database V5

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Not known to be exploited · CVSS 2.9 Low : upgrade to 1.0.0 when convenient.

Data as of 29 Oct 2026, 10:09 UTC

CVSS 3.1 base score
2.9Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.0.0
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Sep 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 29 Oct 2026.

What to do

Upgrade Serena and oraios/serena to 1.0.0.

Affected software

ProductAffectedFixed in
Oraios AISerenaAffected
  • <1.0.0
Fixed in
  • 1.0.0
GitHuboraios/serenapkg:github/oraios/serenaOther threatsAffected
  • <1.0.0
Fixed in
  • 1.0.0

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

AI-suggested

The vendor documentation recommends running Serena in a sandboxed environment and configuring the MCP server to listen on 127.0.0.1 instead of 0.0.0.0 to reduce exposure. Users should follow these recommendations to mitigate potential risks.

Description

In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a "potential security hazard" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended "use a sandboxed environment for running Serena."

References

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