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CVE-2026-88984VulnerabilityPublished

github.com/kubeflow/pipelines · Kubeflow Pipelines: RBAC bypass on shared pipelines allows any authenticated user to delete or modify global pipelines

Affects github.com/kubeflow/pipelinesSource GCVE Database

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Mentioned vulnerabilities

Authoritative record:CVE-2026-88984· High 7.2

Not known to be exploited · CVSS 7.2 High : upgrade to 0.0.0-20260420170029-186dd1f3b040 soon.

Data as of 9 Nov 2026, 23:24 UTC

CVSS 4.0 base score
7.2High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (GitHub_M)CVSS 4.07.2
EPSS
0.3% chance of exploitation in 30 days – higher than 24% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 0.0.0-20260420170029-186dd1f3b040
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.

What to do

Upgrade github.com/kubeflow/pipelines to 0.0.0-20260420170029-186dd1f3b040.

Affected software

ProductAffectedFixed in
Gogithub.com/kubeflow/pipelinesAffected
  • <0.0.0-20260420170029-186dd1f3b040
Fixed in
  • 0.0.0-20260420170029-186dd1f3b040

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AI-suggested

Upgrade Kubeflow Pipelines to version 0.0.0-20260420170029-186dd1f3b040 or later, which includes the fix for this authorization bypass. Until upgrading, restrict access to the Pipelines API to trusted users through deployment-level access controls, as namespace RBAC alone does not mitigate this vulnerability. Note that this fix does not address the separate shared-pipeline upload authorization vulnerability (CVE-2026-77596), which requires its own remediation.

Description

Kubeflow Pipelines in multi-user mode had an authorization bypass vulnerability allowing any authenticated user to modify or delete shared/global pipelines without proper Kubernetes RBAC permissions. This flaw affected write and delete operations on pipelines with an empty namespace. The issue was fixed in version 0.0.0-20260420170029-186dd1f3b040. Unauthorized modifications could compromise pipeline integrity and unauthorized deletions could disrupt availability. Reading shared pipelines was always allowed and remains so after the fix. The vulnerability does not directly enable code execution but could lead to attacker-controlled workload behavior if a modified pipeline is executed.

References

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