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TI-2025-00436 Aliases CVE-2025-0526GHSA-p2h9-63jc-gj67

Missing authorization in Octopus Server

Priority LOW 18CWE-862Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

In affected versions of Octopus Deploy it was possible to upload files to unexpected locations on the host using an API endpoint. The field lacked validation which could potentially result in ways to circumvent expected workflows.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0035 28th percentileScored 2026-11-07
Fix Fixed Octopus Server (Octopus Deploy): 2024.3.13097, 2024.4.7091

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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
Octopus DeployOctopus Server2022.4.791 to before 2024.3.13097; 2024.4.401 to before 2024.4.70912024.3.13097, 2024.4.7091Patch availableCNA
  • Octopus Server VendorOctopus Deploy Affected 2022.4.791 to before 2024.3.13097; 2024.4.401 to before 2024.4.7091 Fixed in 2024.3.13097, 2024.4.7091 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:*2022.4.791 to before 2024.3.13097; 2024.4.401 to before 2024.4.7091VulnerableOctopus Deploy
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:* Versions 2022.4.791 to before 2024.3.13097; 2024.4.401 to before 2024.4.7091 Vulnerable ·Octopus Deploy
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

  • Fix · CNA Octopus Server (Octopus Deploy) Fixed in 2024.3.13097, 2024.4.7091

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Octopus Server 2024.3.13097, 2024.4.7091

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2025-00492 HTTP response splitting in Octopus ServerPriority LOW 27

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-0526
  2. 2026-10-03 Alias added: GHSA-p2h9-63jc-gj67

References

  • TI-2018-13353 In Octopus Deploy 2018.8.0 through 2018.9.x before 2018.9.1, an authenticated user with… CVSS 3.0HIGH 8.8
  • TI-2022-02375 Improper authentication in Octopus Server CVSS 3.1CRITICAL 9.8
  • TI-2022-02579 Insufficient session expiration in Octopus Server CVSS 3.1CRITICAL 9.1
  • TI-2018-08066 In Octopus Deploy 2018.4.4 through 2018.5.1, Octopus variables that are sourced from the… CVSS 3.0CRITICAL 9.8
  • TI-2022-02575 In affected versions of Octopus Deploy it is possible to bypass rate limiting on login using null bytes. CVSS 3.1CRITICAL 9.8
  • TI-2022-03678 In affected versions of Octopus Deploy it is possible for a user to introduce code via offline package creation CVSS 3.1HIGH 8.8
See all 65 →

Sources