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TI-2021-05927 Aliases CVE-2021-23135

Argo CD leaked secret data into error messages and logs on invalid edits via UI

Priority LOW 26CWE-497Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-497.

Summary

Exposure of System Data to an Unauthorized Control Sphere vulnerability in web UI of Argo CD allows attacker to cause leaked secret data into web UI error messages and logs. This issue affects Argo CD 1.8 versions prior to 1.8.7; 1.7 versions prior to 1.7.14.

Why it matters now

EPSS 0.00232 14th percentileScored 2026-11-07
Fix Fixed Argo CD (Argo CD): 1.8.7, 1.7.14

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Argo CDArgo CD1.8 to before 1.8.7; 1.7 to before 1.7.141.8.7, 1.7.14Patch availableCNA
  • Argo CD VendorArgo CD Affected 1.8 to before 1.8.7; 1.7 to before 1.7.14 Fixed in 1.8.7, 1.7.14 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:*1.7.0 to before 1.7.14; 1.8.0 to before 1.8.7Vulnerableargoproj
  • cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:* Versions 1.7.0 to before 1.7.14; 1.8.0 to before 1.8.7 Vulnerable ·argoproj

Remediation

  • Fix · CNA Argo CD (Argo CD) Fixed in 1.8.7, 1.7.14

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-23135

References

Advisory 1

  • TI-2024-14377 Argo CD vulnerable to Bypassing of Brute Force Protection via Application Crash and In-Memory Data Loss CVSS 3.1CRITICAL 9.8
  • TI-2024-14383 Argo CD vulnerable to Bypassing of Rate Limit and Brute Force Protection Using Cache Overflow CVSS 3.1CRITICAL 9.1
  • TI-2026-31086 ArgoCD ServerSideDiff is vulnerable to Kubernetes Secret Extraction CVSS 3.1CRITICAL 9.6
  • TI-2023-20919 Cluster secret might leak in cluster details page in Argo CD CVSS 3.1CRITICAL 9.9
  • TI-2024-21088 ArgoCD Vulnerable to Use of Risky or Missing Cryptographic Algorithms in Redis Cache CVSS 3.1CRITICAL 9.1
  • TI-2026-33475 Argo CD: Stored XSS in application link annotations enables developer-to-admin privilege escalation CVSS 3.1HIGH 8.7
See all 56 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences