CVE-2026-34052
MediumAdvisory
Published 3 Apr 2026In the index since 6 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 5.9
- base score, highest
- EPSS
- 0.003
- 26th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 6
- of 17,781 indexed, latest versions
- Container images
- 6
- deployed by those charts
- Fix available
- 1 of 1
- affected package
LTI JupyterHub Authenticator: Unbounded Memory Growth via Nonce Storage (Denial of Service)
Carried by container images the latest versions of 6 of 17,781 indexed charts deploy, on 6 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| jupyterhub-ltiauthenticatorpypi | 1.0.0, 1.2.0, 1.6.1, 1.6.2 | 1.6.3 | 6 |
- OSV records
- GHSA-8mxq-7xr7-2fxj
- Also known as
- PYSEC-2026-2533
Charts affected
6 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| fadicetic | 0.3.1 | 1 of 25See more | 52,919 |
| daskhubdask | 2024.1.1 | 1 of 9See more | 14,094 |
| jupyterhubd4nVerified publisher | 3.3.7 | 1 of 7See more | 16,604 |
| ikigaiikigai-chartVerified publisher | 0.0.9 | 1 of 58See more | 37,671 |
| jupyterhubkubeblocksVerified publisher | 0.1.0 | 1 of 7See more | 7,356 |
| jupyterhubuninettsigma2 | 1.6.0 | 1 of 5See more | 8,607 |
Container images carrying it
6 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| aristidetm/ | ccb516cb8474 | jupyterhub-ltiauthenticator | 1.6.3 | 1 |
| jupyterhub/ | 5a0ceed1300a | jupyterhub-ltiauthenticator | 1.6.3 | 1 |
| jupyterhub/ | b6b4a1a34bf0 | jupyterhub-ltiauthenticator | 1.6.3 | 1 |
| jupyterhub/ | e4770285aaf7 | jupyterhub-ltiauthenticator | 1.6.3 | 1 |
| quay.io/ | 2528c6e57587 | jupyterhub-ltiauthenticator | 1.6.3 | 1 |
| quay.io/ | cae8c0622533 | jupyterhub-ltiauthenticator | 1.6.3 | 1 |