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CVE-2026-63445— Perses: Unvalidated project parameter enables filesystem path traversal

Quick assessment

Affected
perses perses
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.

Perses is an open-source dashboard and visualization project for observability data. Prior to 0.54.0-rc.0, list endpoints used with the file-system database bind the request-controlled project query parameter into the resource Query structure without validatin

CVSS 7.1 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
perses perses < 0.54.0-rc.0 affected
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I. Basic Information for CVE-2026-63445

Vulnerability Information

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Vulnerability Title
Perses: Unvalidated project parameter enables filesystem path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
Perses is an open-source dashboard and visualization project for observability data. Prior to 0.54.0-rc.0, list endpoints used with the file-system database bind the request-controlled project query parameter into the resource Query structure without validating it against directory traversal characters, and the resulting project value is used to select database paths. An authenticated attacker can supply directory traversal segments to leave the intended project directory, read arbitrary YAML or JSON files accessible to the Perses process, and bypass project isolation to enumerate other file-backed resources. This issue is fixed in version 0.54.0-rc.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA: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
perses perses < 0.54.0-rc.0 -

II. Public POCs for CVE-2026-63445

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III. Intelligence Information for CVE-2026-63445

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Patches & Fixes for CVE-2026-63445 (1)

Vendor Advisories for CVE-2026-63445 (1)

Other References for CVE-2026-63445 (1)

Same Patch Batch · perses · 2026-09-18 · 3 CVEs total

CVE-2026-63199 8.3 HIGH Perses: Missing authorization in datasource proxy allows cross-scope secret disclosure
CVE-2026-63458 7.1 HIGH Perses project query parameter authorization bypass exposes cross-project resources

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-63445

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