Medium
RustFS: Sensitive Information Leakage (SessionToken and SecretAccessKey) in RustFS Logs [Debug Mode]
Type: advisorySources: OSV
RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.2, RustFS suffers from sensitive information leakage in log outputs. When the server is run with RUST_LOG=debug sensitive credentials including SessionToken (JWT), SecretAccessKey, and full JWT claims are printed in plaintext to the server logs. This vulnerability is fixed in 1.0.0-beta.2.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-45040
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 14:09 UTC · Revision 1
Source evidence
RustFS: Sensitive Information Leakage (SessionToken and SecretAccessKey) in RustFS Logs [Debug Mode]
core-osv · Original sourcePublished 28 May 2026, 18:35 UTC
RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.2, RustFS suffers from sensitive information leakage in log outputs. When the server is run with RUST_LOG=debug sensitive credentials including SessionToken (JWT), SecretAccessKey, and full JWT claims are printed in plaintext to the server logs. This vulnerability is fixed in 1.0.0-beta.2.
osv:CVE-2026-45040
Complete source record
{
"id": "205ac6c875a6f63d155868246571859434e90b60664e13961eacd17254ccb70f",
"url": "https://osv.dev/vulnerability/CVE-2026-45040",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "RustFS: Sensitive Information Leakage (SessionToken and SecretAccessKey) in RustFS Logs [Debug Mode]",
"summary": "RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.2, RustFS suffers from sensitive information leakage in log outputs. When the server is run with RUST_LOG=debug sensitive credentials including SessionToken (JWT), SecretAccessKey, and full JWT claims are printed in plaintext to the server logs. This vulnerability is fixed in 1.0.0-beta.2.",
"evidence": "osv:CVE-2026-45040",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-45040",
"aliases": [
"CVE-2026-45040",
"GHSA-8cm2-h255-v749"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/rustfs/rustfs",
"type": "GIT",
"events": [
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},
{
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}
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"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
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{
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"source": "DESCRIPTION"
}
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45040.json"
}
}
],
"modified": "2026-10-28T02:30:29.343614528Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45040.json",
"https://github.com/rustfs/rustfs/security/advisories/GHSA-8cm2-h255-v749",
"https://nvd.nist.gov/vuln/detail/CVE-2026-45040"
],
"provider_metadata": {
"cwe_ids": [
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"CWE-532"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45040.json"
}
},
"related_cves": [
{
"value": "CVE-2026-45040",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 496235,
"published_at": "2026-05-28T18:35:48.505+00:00"
}