CVE-2026-4881 (GCVE-0-2026-4881)
Vulnerability from cvelistv5 – Published: 2026-06-04 08:49 – Updated: 2026-06-04 13:05
VLAI?
Summary
In affected versions of Octopus Server, permissions were not checked correctly resulting in any authenticated user being able to make server level changes using a certain API endpoint despite receiving an error.
Severity ?
CWE
- Insufficient permission checks on an API endpoint
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Octopus Deploy | Octopus Server |
Affected:
2023.0.0 , < 2025.4.10523
(custom)
Affected: 2025.4.0 , < 2025.4.10545 (custom) Affected: 2026.1.0 , < 2026.1.11313 (custom) |
Credits
This vulnerability was found by MononcleMich
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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