CVE-2026-127075

MEDIUM 6.5

OpsTree BuildPiper before 2.7.0 Path Traversal via Additional Manifest Rendering

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

OpsTree BuildPiper before 2.7.0 contains a path traversal vulnerability that allows authenticated users to read arbitrary files by supplying traversal sequences in Additional Manifest file paths. Attackers can enter paths like ../../../../etc/passwd so the renderer embeds file contents in generated manifests and logs, exposing configuration files and service-account tokens.

CWE	CWE-22
Vendor	opstree solutions
Product	buildpiper
Published	Nov 13, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

OpsTree Solutions / BuildPiper

0 < 2.7.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

gist.github.com: https://gist.github.com/neelkotnis/ce44dc92c964b43008eb714343e4de82 buildpiper.io: https://www.buildpiper.io/ vulncheck.com: https://www.vulncheck.com/advisories/opstree-buildpiper-before-2.7.0-path-traversal-via-additional-manifest-rendering

Credits

Neel Saurabh Kotnis