CVE-2026-54533 json
vantage6 node has an Improper Access Control issue
published 2026-06-05 5 mo ago modified 2026-07-13 3 mo ago also GHSA-x9f6-9rvm-mmrg , PYSEC-2026-3401 , EUVD-2026-37825
- cvss
- 6.9
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 21%
- public exploits
- 0
- none known
Summary
vantage6 is an open-source infrastructure for privacy preserving analysis. Prior to version 5.0.0, malicious algorithms can potentially access other algorithms input and output files. Version 5.0.0 fixes the issue. As a workaround, verify and restrict the algorithm containers that are allowed to run on the node.
Patch / fix
- pypi vantage6 5.0.0
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 4 mo ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N |
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | vantage6 | <5.0.0 |
5.0.0 |
Affected products
- vantage6 vantage6
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
github.com
/vantage6/vantage6/security/advisories/GHSA-x9f6-9rvm-mmrg
web
-
github.com
/vantage6/vantage6/issues/1932
web
-
docs.vantage6.ai
/usage/running-the-node/security
web
-
github.com
/vantage6/vantage6/blob/main/docs/release_notes.rst#500
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-54533
advisory
-
github.com
/vantage6/vantage6
package
-
pypi.org
/project/vantage6
package
-
github.com
/advisories/GHSA-x9f6-9rvm-mmrg
advisory
Sources
- CVE List CVE-2026-54533
- GitHub Advisory GHSA-x9f6-9rvm-mmrg
- NVD CVE-2026-54533
- OSV PYSEC-2026-3401
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.