OpenBao up to 2.6.3/2.7.0 Sanitized Configuration Endpoint sanitized tls_acme_eab_mac_key information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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2.9$0-$5k1.63

Summaryinfo

A vulnerability classified as problematic has been found in OpenBao up to 2.6.3/2.7.0. The affected element is an unknown function of the file /sys/config/state/sanitized of the component Sanitized Configuration Endpoint. This manipulation of the argument tls_acme_eab_mac_key causes information disclosure. This vulnerability is handled as CVE-2026-115363. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in OpenBao up to 2.6.3/2.7.0. Affected by this vulnerability is some unknown processing of the file /sys/config/state/sanitized of the component Sanitized Configuration Endpoint. The manipulation of the argument tls_acme_eab_mac_key with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

OpenBao 2.2.0 before 2.6.4 and 2.7.0 before 2.7.1 contains an information disclosure vulnerability that exposes the tls_acme_eab_mac_key value through the sys/config/state/sanitized endpoint. Callers of the sanitized configuration endpoint can retrieve the ACME External Account Binding MAC key used for TLS listener certificates, letting them bind to the operator's ACME account.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-115363 since 10/22/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation needs additional levels of successful authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 2.6.4 or 2.7.1 eliminates this vulnerability.

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Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.0
VulDB Meta Temp Score: 2.9

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.3
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenBao 2.6.4/2.7.1

Timelineinfo

10/22/2026 Advisory disclosed
10/22/2026 +0 days CVE reserved
10/22/2026 +0 days VulDB entry created
10/22/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-115363 (🔒)
GCVE (CVE): GCVE-0-2026-115363
GCVE (VulDB): GCVE-100-425431

Entryinfo

Created: 10/22/2026 22:07
Changes: 10/22/2026 22:07 (77)
Complete: 🔍
Cache ID: 216::103

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