CVE-2026-45040

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.

CVSS

No CVSS.

References

Link	Resource
https://github.com/rustfs/rustfs/security/advisories/GHSA-8cm2-h255-v749
https://github.com/rustfs/rustfs/security/advisories/GHSA-8cm2-h255-v749

Configurations

No configuration.

History

02 Jun 2026, 14:16

Type	Values Removed	Values Added
References	~~() https://github.com/rustfs/rustfs/security/advisories/GHSA-8cm2-h255-v749 -~~	() https://github.com/rustfs/rustfs/security/advisories/GHSA-8cm2-h255-v749 -

28 May 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-28 19:16

Updated : 2026-06-02 14:16

NVD link : CVE-2026-45040

Mitre link : CVE-2026-45040

CVE.ORG link : CVE-2026-45040

JSON object : View

Products Affected

No product.

CWE

CWE-312

Cleartext Storage of Sensitive Information

CWE-532

Insertion of Sensitive Information into Log File

{"id": "CVE-2026-45040", "cveTags": [], "metrics": {"cvssMetricV40": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-05-28T19:16:38.543", "references": [{"url": "https://github.com/rustfs/rustfs/security/advisories/GHSA-8cm2-h255-v749", "source": "security-advisories@github.com"}, {"url": "https://github.com/rustfs/rustfs/security/advisories/GHSA-8cm2-h255-v749", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-312"}, {"lang": "en", "value": "CWE-532"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-06-02T14:16:54.380", "sourceIdentifier": "security-advisories@github.com"}