cve-2026-86049
MEDIUM CVSS 4.8 csaf_redhat
Description
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Timeline
- Published
- 2026-09-17 20:28 UTC
- Last Modified
- 2026-09-22
CVSS Details
CVSS details not available.
Affected Products
No product information available.
Weaknesses (CWE)
References
No references available.
Linked Vulnerabilities
No linked vulnerabilities found.
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"name": "Improper Output Neutralization for Logs"
},
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"ids": [
{
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"text": "2538810"
}
],
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{
"category": "description",
"text": "A flaw was found in Jupyter Server. The server's logging mechanism for HTTP 500 errors fails to properly redact sensitive information. When a request results in an HTTP 500 error and includes a Referer header containing a security token, this token is written to server logs in plaintext. An attacker with access to these logs could retrieve the token, potentially gaining unauthorized access to the affected user's Jupyter Server permissions.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "jupyter-server: Jupyter Server: Information disclosure via 5xx request logging",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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Enrichment data
Aggregated bundle (all enrichments)