CVE Explorer

CVE-2026-44181

Jupyter Enterprise Gateway launches remote Jupyter Notebook kernels across distributed clusters like Apache Spark, Kubernetes, and Docker Swarm. In versions 2.0.0rc2 and above, prior to 3.3.0, the environment variables (KERNEL_XXX) used during the rendering of the Kubernetes manifest are vulnerable to Server Side Template Injection (SSTI). By including Jinja2 template expressions it is possible to execution Python code and OS Commands in the Enterprise Gateway service. The code can use or steal

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:25e2ba45b42a9878a04a566a73f79a543e518d4938a799aed2b0e39470d6addc

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"enterprise_gateway","vendor":"jupyter-server","versions":[{"status":"affected","version":">= 2.0.0rc2, < 3.3.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:75e18379940c2622c8aacfcf2bb0d3036f6c6ebea7d8d61837e527d378d9a7d3 · sha256:d76a36db2dcfdab7… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":10,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:75e18379940c2622c8aacfcf2bb0d3036f6c6ebea7d8d61837e527d378d9a7d3 · sha256:d76a36db2dcfdab7… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-1336","description":"CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:75e18379940c2622c8aacfcf2bb0d3036f6c6ebea7d8d61837e527d378d9a7d3 · sha256:d76a36db2dcfdab7… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"name":"https://github.com/jupyter-server/enterprise_gateway/releases/tag/v3.3.0","tags":["x_refsource_MISC"],"url":"https://github.com/jupyter-server/enterprise_gateway/releases/tag/v3.3.0"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:75e18379940c2622c8aacfcf2bb0d3036f6c6ebea7d8d61837e527d378d9a7d3 · sha256:d76a36db2dcfdab7… · /containers/cna/references/1

{"name":"https://github.com/jupyter-server/enterprise_gateway/security/advisories/GHSA-f49j-v924-fx9w","tags":["x_refsource_CONFIRM"],"url":"https://github.com/jupyter-server/enterprise_gateway/security/advisories/GHSA-f49j-v924-fx9w"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:75e18379940c2622c8aacfcf2bb0d3036f6c6ebea7d8d61837e527d378d9a7d3 · sha256:d76a36db2dcfdab7… · /containers/cna/references/0

{"tags":["exploit"],"url":"https://github.com/jupyter-server/enterprise_gateway/security/advisories/GHSA-f49j-v924-fx9w"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:75e18379940c2622c8aacfcf2bb0d3036f6c6ebea7d8d61837e527d378d9a7d3 · sha256:d76a36db2dcfdab7… · /containers/adp/0/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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