Vulnerability from bitnami_vulndb
Published
2026-09-08 08:20
Modified
2026-09-09 09:13
Summary
Apache Spark: XSS Vulnerability in Spark Web 3.5.4
Details
There is a lack of XSS escaping in the Spark History Server prior to 3.5.8 which allows a malicious Spark job to generate arbitrary unescaped frontend code which could lead to a minimal privilege escalation in browser. Users are encouraged to upgrade to Spark 3.5.8 or later.
This CVE is marked as "low" since the path to exploit requires both relatively high permissions (ability to launch a Spark job) and requires tricking a user with higher permissions to log in and visit the Spark history web page.
Users are encouraged to upgrade their Spark history servers to Spark 3.5.8 or later.
{
"affected": [
{
"package": {
"ecosystem": "Bitnami",
"name": "spark",
"purl": "pkg:bitnami/spark"
},
"ranges": [
{
"events": [
{
"introduced": "3.0.0"
},
{
"fixed": "3.5.8"
}
],
"type": "SEMVER"
}
],
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
}
]
}
],
"aliases": [
"CVE-2026-32773"
],
"database_specific": {
"cpes": [
"cpe:2.3:a:apache:spark:*:*:*:*:*:maven:*:*"
],
"severity": "Medium"
},
"details": "There is a lack of XSS escaping in the Spark History Server prior to 3.5.8 which allows a malicious Spark job to generate arbitrary unescaped frontend code which could lead to a minimal privilege escalation in browser. Users are encouraged to upgrade to Spark 3.5.8 or later.\n\nThis CVE is marked as \"low\" since the path to exploit requires both relatively high permissions (ability to launch a Spark job) and requires tricking a user with higher permissions to log in and visit the Spark history web page.\n\nUsers are encouraged to upgrade their Spark history servers to Spark 3.5.8 or later.",
"id": "BIT-spark-2026-32773",
"modified": "2026-09-09T09:13:23.794Z",
"published": "2026-09-08T08:20:03.756Z",
"references": [
{
"type": "ADVISORY",
"url": "http://www.openwall.com/lists/oss-security/2026/09/01/4"
},
{
"type": "ADVISORY",
"url": "https://lists.apache.org/thread/k36prh3oxl1z6ov7w8rpmfnt07hmzw3v"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32773"
}
],
"schema_version": "1.6.2",
"summary": "Apache Spark: XSS Vulnerability in Spark Web 3.5.4"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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