OpenBao up to 2.6.2 Plugin Registration /v1/sys/plugins/catalog improper authorization
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.0 | $0-$5k | 2.35- |
Summary
A vulnerability labeled as problematic has been found in OpenBao up to 2.6.2. This vulnerability affects unknown code of the file /v1/sys/plugins/catalog of the component Plugin Registration. Executing a manipulation can lead to improper authorization. This vulnerability appears as CVE-2026-115366. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.
Details
A vulnerability was found in OpenBao up to 2.6.2. It has been declared as problematic. This vulnerability affects an unknown part of the file /v1/sys/plugins/catalog of the component Plugin Registration. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect availability. CVE summarizes:
OpenBao from 2.3.0 before 2.6.3 contains an improper authorization vulnerability that allows privileged child-namespace tokens to modify plugin registrations because /v1/sys/plugins/catalog/* is not restricted to the root namespace. Attackers can remove existing registrations, create invalid ones, or register installed plugins through a child namespace's sys/ mount, causing denial of service.
The advisory is shared for download at github.com. This vulnerability was named CVE-2026-115366 since 10/22/2026. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1548.002.
Upgrading to version 2.6.3 eliminates this vulnerability.
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Product
Name
Version
Website
- Product: https://github.com/openbao/openbao/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 3.1VulDB Meta Temp Score: 3.0
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 2.6
CNA Vector (VulnCheck): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Improper authorizationCWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: OpenBao 2.6.3
Timeline
10/22/2026 Advisory disclosed10/22/2026 CVE reserved
10/22/2026 VulDB entry created
10/22/2026 VulDB entry last update
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
CVE: CVE-2026-115366 (🔒)
GCVE (CVE): GCVE-0-2026-115366
GCVE (VulDB): GCVE-100-425428
Entry
Created: 10/22/2026 22:06Changes: 10/22/2026 22:06 (76)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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