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TI-2026-51382 Aliases CVE-2026-73245GHSA-hpj9-grjp-7vc7

Kestra: Unauthenticated management/actuator endpoints exposed on port 8081 (/env, /loggers) bypass API basic-auth

Priority HIGH 68CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-306.

Summary

Kestra is an open-source, event-driven orchestration platform. Prior to 2.0.0-rc6, Kestra's cli/src/main/resources/application.yml serves Micronaut management endpoints on port 8081 without authentication even when Basic Auth protects /api/v1/** on port 8080, allowing unauthenticated GET /env requests to disclose resolved configuration and POST /loggers/{name} requests to change runtime log levels. This issue is fixed in 2.0.0-rc6.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00328 26th percentileScored 2026-11-07
Fix Fixed kestra (kestra-io): 2.0.0-rc6io.kestra:kestra (Maven): 2.0.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Kestrakestrabefore 2.0.0-rc62.0.0-rc6Patch availableCNA
—io.kestra:kestra (Maven)before 2.0.02.0.0Patch availableGHSA-hpj9-grjp-7vc7
  • kestra VendorKestra Affected before 2.0.0-rc6 Fixed in 2.0.0-rc6 Patch available CNA
  • io.kestra:kestra (Maven) Vendor— Affected before 2.0.0 Fixed in 2.0.0 Patch available GHSA-hpj9-grjp-7vc7

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:kestra:kestra:*:*:*:*:*:*:*:*——Kestra
  • cpe:2.3:a:kestra:kestra:*:*:*:*:*:*:*:* Versions — — ·Kestra

Remediation

  • Fix · CNA kestra (kestra-io) Fixed in 2.0.0-rc6
  • Fix · GHSA-hpj9-grjp-7vc7 io.kestra:kestra (Maven) Fixed in 2.0.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-73245
  2. 2026-10-03 Alias added: GHSA-hpj9-grjp-7vc7

References

  • TI-2026-36769 Kestra: Unauthenticated Remote Code Execution via Authentication Bypass in `AuthenticationFilter` KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-38637 Kestra: Unauthenticated RCE via /configs path-suffix auth-filter bypass CVSS 3.1CRITICAL 10.0
  • TI-2026-28138 Kestra v1.3.3 and before is vulnerable to SQL Injection. CVSS 3.1CRITICAL 9.8
  • TI-2026-51384 Kestra: SSRF via Pebble http() function allows unauthenticated access to internal services & cloud metadata CVSS 3.1HIGH 8.6
  • TI-2026-26858 Kestra: Remote Code Execution via SQL Injection CVSS 3.1CRITICAL 10.0
  • TI-2026-39775 Kestra BasicAuth Password Stored as SHA-512 Enables Offline Brute-Force Attack CVSS 3.1HIGH 8.7
See all 15 →

Sources