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CVE-2026-61625— VictoriaMetrics vmrestore: path traversal via crafted backup part names escapes restore root

Quick assessment

Affected
VictoriaMetrics VictoriaMetrics
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

VictoriaMetrics 是一款用于监控和管理时序数据的可扩展解决方案。在版本 1.122.25、1.136.12 和 1.146.0 之前，vmrestore 在使用 lib/backup/actions/restore.go 和 lib/backup/fslocal/fslocal.go 将恢复的数据写入 storageDataPath 路径下时，未对备份数据的部分路径组件进行验证。攻击者若能够提供或修改 S3、GCS、Azure Blob Storage 或其他备份源中的数据，可以在对象名称中插入“..

CVSS 6.8 · Medium EPSS 0.30% · P23

Possible ATT&CK Techniques 1 AI

T1564.004 · NTFS File Attributes

Affected Version Matrix 3

VendorProduct Version RangeStatus
VictoriaMetrics VictoriaMetrics >= 1.137.0, < 1.146.0 affected
>= 1.123.0, < 1.136.12 affected
< 1.122.25 affected
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I. Basic Information for CVE-2026-61625

Vulnerability Information
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Vulnerability Title
VictoriaMetrics vmrestore: path traversal via crafted backup part names escapes restore root
Source: CVE Program / CVE List V5
Vulnerability Description
VictoriaMetrics is a scalable solution for monitoring and managing time series data. Prior to 1.122.25, 1.136.12, and 1.146.0, vmrestore does not validate backup part path components before using lib/backup/actions/restore.go and lib/backup/fslocal/fslocal.go to write restored data below storageDataPath. An attacker who can supply or modify an S3, GCS, Azure Blob Storage, or other backup source can place .. components in object names. When an operator restores that source, the crafted names can create or overwrite files outside the intended restore root within the filesystem permissions of the vmrestore process. This issue is fixed in versions 1.122.25, 1.136.12, and 1.146.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
VictoriaMetrics VictoriaMetrics >= 1.137.0, < 1.146.0 -

II. Public POCs for CVE-2026-61625

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III. Intelligence Information for CVE-2026-61625

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Patches & Fixes for CVE-2026-61625 (1)

Vendor Advisories for CVE-2026-61625 (1)

Vendor Pages for CVE-2026-61625 (3)

IV. Related Vulnerabilities

Same product: VictoriaMetrics
Same vendor: VictoriaMetrics
Same weakness: CWE-22

V. Comments for CVE-2026-61625

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