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CVE-2023-23929

Refresh tokens do not expire in Vantage6

8.8 HighFix available

CVE-2023-23929 is a high vulnerability (CVSS 8.8) in Vantage6, published February 28, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.57%, the 47th percentile. Fixed in vantage6 3.8.0.

vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Currently, the refresh token is valid indefinitely. The refresh token should get a validity of 24-48 hours. A fix was released in version 3.8.0.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.57%Down 0.3 points since Mar 4, 2023
90%50%10%1%

What each source reports

CVE List Score used 8.8

Refresh tokens do not expire in Vantage6

vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Currently, the refresh token is valid indefinitely. The refresh token should get a validity of 24-48 hours. A fix was released in version 3.8.0.

Record
CVE-2023-23929
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-613
Updated
2026-11-02
EUVDEUVD-2023-0262 8.8

vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Currently, the refresh token is valid indefinitely. The refresh token should get a validity of 24-48 hours. A fix was released in version 3.8.0.

Record
EUVD-2023-0262
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-4w59-c3gc-rrhp 8.7

vantage6 refresh tokens do not expire

From issue:

Problem description Currently, the refresh token is valid indefinitely. This is bad security practice.

Desired solution The refresh token should get a validity of 24-48 hours.

Additional context

When implementing this, also check that the refresh token returns a new refresh token When implementing this, also adapt the UI so that it logs out if refresh token is no longer valid. When implementing this, ensure that nodes refresh their token periodically so that they do not have to be restarted manually.

Impact

Patches

None available

Workarounds

None available

Record
GHSA-4w59-c3gc-rrhp
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-613
Updated
2026-11-02
NVD 8.8

vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Currently, the refresh token is valid indefinitely. The refresh token should get a validity of 24-48 hours. A fix was released in version 3.8.0.

Record
CVE-2023-23929
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-613
Updated
2026-11-02
OSV 8.8

Refresh tokens do not expire in Vantage6

vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Currently, the refresh token is valid indefinitely. The refresh token should get a validity of 24-48 hours. A fix was released in version 3.8.0.

Record
CVE-2023-23929
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-613
Updated
2026-11-02
OSVGHSA-4w59-c3gc-rrhp 8.7

vantage6 refresh tokens do not expire

From issue:

Problem description Currently, the refresh token is valid indefinitely. This is bad security practice.

Desired solution The refresh token should get a validity of 24-48 hours.

Additional context

When implementing this, also check that the refresh token returns a new refresh token When implementing this, also adapt the UI so that it logs out if refresh token is no longer valid. When implementing this, ensure that nodes refresh their token periodically so that they do not have to be restarted manually.

Impact

Patches

None available

Workarounds

None available

Record
GHSA-4w59-c3gc-rrhp
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-613
Updated
2026-11-02
OSVPYSEC-2023-54 No score

vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Currently, the refresh token is valid indefinitely. The refresh token should get a validity of 24-48 hours. A fix was released in version 3.8.0.

Record
PYSEC-2023-54
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
vantage6
PyPI
before 3.8.0
3.8.0
vantage6
PyPI
before 3.8.0, plus listed versions
0.0.00.0.0b00.0.0b10.0.0b31.0.0
Show 45 moreShow less
1.0.0a11.0.0a21.0.0b101.0.0b111.0.0b121.0.0b131.0.0b141.0.0b21.0.0b31.0.0b41.0.0b51.0.0b61.0.0b71.0.0b81.0.0b91.1.01.1.0rc11.1.0rc21.2.01.2.11.2.21.2.31.2.3.post22.0.02.0.0.post12.0.0a12.0.0a22.0.0a32.0.1rc12.0.1rc22.1.02.1.0rc12.1.12.2.02.2.0b12.2.0b22.2.0b32.2.0b42.2.12.2.102.2.112.2.122.2.22.2.32.2.4
3.8.0

History

History
WhenChangedSources
2026-11-02createdCVE List, EUVD, GitHub Advisories, NVD, OSV

References

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