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Vulnerability Details :

CVE-2025-69255

Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa

Published At-07 Jan, 2026 | 20:34

Updated At-07 Jan, 2026 | 21:25

RustFS gRPC GetMetrics deserialization panic enables remote DoS

RustFS is a distributed object storage system built in Rust. In versions 1.0.0-alpha.13 to 1.0.0-alpha.77, a malformed gRPC GetMetrics request causes get_metrics to unwrap() failed deserialization of metric_type/opts, panicking the handler thread and enabling remote denial of service of the metrics endpoint. This issue has been patched in version 1.0.0-alpha.78.

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:GitHub_M

Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa

Published At:07 Jan, 2026 | 20:34

Updated At:07 Jan, 2026 | 21:25

▼CVE Numbering Authority (CNA)

RustFS gRPC GetMetrics deserialization panic enables remote DoS

Affected Products

Vendor

rustfs

Product

rustfs

Versions

Affected

>= 1.0.0-alpha.13, < 1.0.0-alpha.78

Problem Types

Type	CWE ID	Description
CWE	CWE-755	CWE-755: Improper Handling of Exceptional Conditions

Type: CWE

CWE ID: CWE-755

Description: CWE-755: Improper Handling of Exceptional Conditions

Metrics

Version	Base score	Base severity	Vector
4.0	5.5	MEDIUM	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Version: 4.0

Base score: 5.5

Base severity: MEDIUM

Vector:

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

References

Hyperlink	Resource
https://github.com/rustfs/rustfs/security/advisories/GHSA-gw2x-q739-qhcr	x_refsource_CONFIRM
https://github.com/rustfs/rustfs/commit/eb33e82b56ed11fd12bb39416359d8d60737dc7a	x_refsource_MISC

Hyperlink: https://github.com/rustfs/rustfs/security/advisories/GHSA-gw2x-q739-qhcr

Resource:

x_refsource_CONFIRM

Hyperlink: https://github.com/rustfs/rustfs/commit/eb33e82b56ed11fd12bb39416359d8d60737dc7a

Resource:

x_refsource_MISC

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Metrics Other Info

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:security-advisories@github.com

Published At:07 Jan, 2026 | 21:16

Updated At:16 Jan, 2026 | 19:28

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	4.0	5.5	MEDIUM	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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
Primary	3.1	4.0	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Type: Secondary

Version: 4.0

Base score: 5.5

Base severity: MEDIUM

Vector:

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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

Type: Primary

Version: 3.1

Base score: 4.0

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Hyperlink	Source	Resource
https://github.com/rustfs/rustfs/commit/eb33e82b56ed11fd12bb39416359d8d60737dc7a	security-advisories@github.com	Patch
https://github.com/rustfs/rustfs/security/advisories/GHSA-gw2x-q739-qhcr	security-advisories@github.com	Exploit Vendor Advisory

CVE-2025-69255

Credits

RustFS gRPC GetMetrics deserialization panic enables remote DoS

Vendors

Products

Metrics (CVSS)

Weaknesses

Attack Patterns

Solution/Workaround

References

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

Stakeholder-Specific Vulnerability Categorization (SSVC)

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

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Vendor Statements

References

Change History

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