CVE-2026-40923

medium

Published 2026-04-21 · Modified 2026-05-22

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

5.4

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.4

Description

Tekton Pipelines: VolumeMount path restriction bypass via missing filepath.Clean in /tekton/ check

Predictions

Exploit likelihood

64%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
Go	github.com/tektoncd/pipeline	`>=1.10.0,<1.11.1`	`1.11.1`
Go	github.com/tektoncd/pipeline	`>=1.7.0,<1.9.3`	`1.9.3`
Go	github.com/tektoncd/pipeline	`>=1.4.0,<1.6.2`	`1.6.2`
Go	github.com/tektoncd/pipeline	`>=1.2.0,<1.3.4`	`1.3.4`
Go	github.com/tektoncd/pipeline	`>=1.0.0,<1.0.2`	`1.0.2`
GO	github.com/tektoncd/pipeline	`>= 1.0.0, < 1.0.2`	`1.0.2`
GO	github.com/tektoncd/pipeline	`>= 1.2.0, < 1.3.4`	`1.3.4`
GO	github.com/tektoncd/pipeline	`>= 1.4.0, < 1.6.2`	`1.6.2`
GO	github.com/tektoncd/pipeline	`>= 1.7.0, < 1.9.3`	`1.9.3`
GO	github.com/tektoncd/pipeline	`>= 1.10.0, < 1.11.1`	`1.11.1`

Application impact

Vendor	Product	Versions	Fixed
linuxfoundation	tekton_pipelines	`{"endExcluding":"1.11.1"}`	`1.11.1`

References

CWEs

CWE-22

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.