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TI-2026-02797 Aliases CVE-2026-3236GHSA-mj9m-c5pr-rxw7

Incorrect authorization in Octopus Server

Priority LOW 11CWE-863Published · 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
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

In affected versions of Octopus Server it was possible to create a new API key from an existing access token resulting in the new API key having a lifetime exceeding the original API key used to mint the access token.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00177 7th percentileScored 2026-11-07
Fix Fixed Octopus Server (Octopus Deploy): 2025.3.14761, 2025.4.10409

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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 Server2023.0.0 to before 2025.3.14761; 2025.4.0 to before 2025.4.104092025.3.14761, 2025.4.10409Patch availableCNA
  • Octopus Server VendorOctopus Deploy Affected 2023.0.0 to before 2025.3.14761; 2025.4.0 to before 2025.4.10409 Fixed in 2025.3.14761, 2025.4.10409 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:*2023.1.4189 to before 2025.3.14761; 2025.4.51 to before 2025.4.10409VulnerableOctopus Deploy
  • cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:* Versions 2023.1.4189 to before 2025.3.14761; 2025.4.51 to before 2025.4.10409 Vulnerable ·Octopus Deploy

Remediation

  • Fix · CNA Octopus Server (Octopus Deploy) Fixed in 2025.3.14761, 2025.4.10409

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3236
  2. 2026-10-03 Alias added: GHSA-mj9m-c5pr-rxw7

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