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TI-2021-08529 Aliases CVE-2021-26924

An issue was discovered in Argo CD before 1.8.4.

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

An issue was discovered in Argo CD before 1.8.4. Browser XSS protection is not activated due to the missing XSS protection header.

Why it matters now

EPSS 0.00788 56th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:*before 1.7.12; 1.8.0 to before 1.8.4Vulnerableargoproj
  • cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:* Versions before 1.7.12; 1.8.0 to before 1.8.4 Vulnerable ·argoproj

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-26924

References

Patch 1

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