Skip to main content
CVE-2026-9277VulnerabilityPublished

Argo workflows: shell-quote's `quote()` function did not validate object-token inputs against the operator model used

Affects argo-workflowsSource GCVE Database

0
Compare
Authoritative record:CVE-2026-9277· High 8.1

Not known to be exploited · CVSS 8.1 High : upgrade to 4.1.6-r1 soon.

Data as of 11 Nov 2026, 04:17 UTC

CVSS 3.1 base score
8.1High
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 4.1.6-r1, 4.0.15-r2
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 22 May 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 10 Nov 2026.

What to do

Upgrade argo-workflows to 4.1.6-r1; argo-workflows to 4.0.15-r2.

Affected software

ProductAffectedFixed in
CleanStartargo-workflowspkg:apk/cleanstart/argo-workflowsOther threatsAffected
  • <4.1.6-r1
Fixed in
  • 4.1.6-r1
CleanStartargo-workflowspkg:apk/cleanstart/argo-workflowsOther threatsAffected
  • <4.0.15-r2
Fixed in
  • 4.0.15-r2

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Users should upgrade affected argo-workflows installations to version 4.1.6-r1 or 4.0.15-r2 or later, where this vulnerability has been fixed. Since patches are available, applying these official fixes is the recommended remediation. No additional mitigation steps are indicated by the vendor advisory.

Description

A high-severity security vulnerability exists in the argo-workflows package where the shell-quote library's quote() function fails to properly validate object-token inputs against the operator model used by the parse() function. This flaw affects versions prior to 4.1.6-r1 and 4.0.15-r2. The vulnerability has been assigned CVE-2026-9277 and has a CVSS score of 8.1, indicating a significant risk. Fixed versions 4.1.6-r1 and 4.0.15-r2 have been released to address this issue.

References

Community reviews

Loading reviews…