CVE-2026-38924: Oraios AI Serena · Incorrect Resource Transfer Between Spheres
Affects Oraios AI SerenaSource CVE Database V5
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
- 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:NExploitation evidence
Disclosed: evidence found.
CVE published 14 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| Oraios AISerena | Affected
| Fixed in
|
GitHuboraios/serenapkg:github/oraios/serenaOther threats | Affected
| Fixed in
|
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
- github.com/oraios/serena/commit/b00ae292ac2d49947506886f44eb1cad7b7d7cd1 (opens in a new tab)
- github.com/oraios/serena/security/advisories/GHSA-m922-r24v-6wff (opens in a new tab)
- dash.security/blog/cve-2026-38924-unauthenticated-rce-in-the-serena-mcp-server (opens in a new tab)
- github.com/oraios/serena/compare/v0.1.4...v1.0.0 (opens in a new tab)
- github.com/oraios/serena/commit/a7af5c1f8a9ea27102eac9e72f64dd97dbfefff3 (opens in a new tab)