CVE-2026-77285: Github.com/openbao/openbao OpenBao Agent Writes Secrets To Vulnerability

LOW
Advisory Identifier: GHSA-444v-8vxr-p36h
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CWE-532
Published
Advisory Summary

CVE-2026-77285 is a LOW openbao agent writes secrets to vulnerability (CWE-532: Insertion of Sensitive Information into Log File) affecting Github.com/openbao/openbao libraries in the Go ecosystem. The issue involves openbao agent writes secrets to stdout. Remediation is available by upgrading affected packages to version 0.0.0-20260714163218-90272575e5f5.

CVE-2026-77285 at a Glance

CVE Identifier CVE-2026-77285
GHSA Identifier GHSA-444v-8vxr-p36h
Severity LOW
CVSS v3.1 Base Score N/A
CWE Classification CWE-532: Insertion of Sensitive Information into Log File
Affected Product Github.com/openbao/openbao
Package Ecosystem Go
Published Date
Last Updated

How to Fix CVE-2026-77285

To remediate this vulnerability, upgrade all affected Github.com/openbao/openbao dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/openbao/openbao fixed: 0.0.0-20260714163218-90272575e5f5 
Upgrade github.com/openbao/openbao to 0.0.0-20260714163218-90272575e5f5
github.com/openbao/openbao fixed: Latest secure release 
Upgrade github.com/openbao/openbao to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/openbao/openbao

How to Check if You Are Affected

To determine whether your application is affected by CVE-2026-77285, inspect your project dependencies for Github.com/openbao/openbao:

inspect dependencies for github.com/openbao/openbao

Analyze the terminal output to locate any version of Github.com/openbao/openbao in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.0.0-20260714163218-90272575e5f5), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-532: Insertion of Sensitive Information into Log File, where the product writes sensitive information to a log file. In Github.com/openbao/openbao, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Impact During certain error conditions, OpenBao Agent's exec rendering mode will incorrectly write secrets specified in `env_template` to stdout. This primarily happens when `num_retries` is met. This vulnerability is original to Vault and was reported via the OpenBao security mailing list. ### Patches This is addressed in OpenBao v2.6.0 GA.

CVE-2026-77285 Affected Github.com/openbao/openbao Versions

2 component(s)
Fixed Versions:
0.0.0-20260714163218-90272575e5f5
Product / Package Ecosystem Affected Versions Fixed Version
github.com/openbao/openbao
golang/github.com/openbao/openbao
Go
< 0.0.0-20260714163218-90272575e5f5
0.0.0-20260714163218-90272575e5f5
github.com/openbao/openbao
golang/github.com/openbao/openbao
Go
≥ 0.1.0
≤ 1.1.5

References

GitHub Advisory / Wiki ADVISORY
https://github.com/openbao/openbao/security/advisories/GHSA-444v-8vxr-p36h
Github.com/openbao/openbao Source Repository REPOSITORY
https://github.com/openbao/openbao/pull/3494
Github.com/openbao/openbao Source Repository REPOSITORY
https://github.com/openbao/openbao/pull/3495
Security Fix Commit FIX COMMIT
https://github.com/openbao/openbao/commit/90272575e5f58b3883fbb0ccb2238e9285722d1a
Security Fix Commit FIX COMMIT
https://github.com/openbao/openbao/commit/ee3aa4aff72c5176cf02af21eac7158899080878
Github.com/openbao/openbao Source Repository REPOSITORY
https://github.com/openbao/openbao
Github.com/openbao/openbao Release RELEASE
https://github.com/openbao/openbao/releases/tag/v2.6.0

Frequently Asked Questions

What is CVE-2026-77285?
CVE-2026-77285 is a security vulnerability in Github.com/openbao/openbao involving OpenBao Agent Writes Secrets to Stdout under CWE-532: Insertion of Sensitive Information into Log File.
Which Github.com/openbao/openbao versions are affected?
Affected versions include releases prior to 0.0.0-20260714163218-90272575e5f5 across affected packages: github.com/openbao/openbao.
What version fixes CVE-2026-77285?
Upgrading to 0.0.0-20260714163218-90272575e5f5 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/openbao/openbao affected?
Yes, github.com/openbao/openbao is affected in releases prior to 0.0.0-20260714163218-90272575e5f5, Latest secure release. Upgrade your dependency to 0.0.0-20260714163218-90272575e5f5, Latest secure release or later.
What CWE is associated with CVE-2026-77285?
CVE-2026-77285 is classified under CWE-532: Insertion of Sensitive Information into Log File (The product writes sensitive information to a log file.).
How can I check Go dependencies for CVE-2026-77285?
Run the dependency tree command: 'inspect dependencies for github.com/openbao/openbao'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-444v-8vxr-p36h",
  "modified" : "2026-09-22T20:36:47Z",
  "published" : "2026-09-22T20:36:46Z",
  "aliases" : [ "CVE-2026-77285" ],
  "summary" : "OpenBao Agent Writes Secrets to Stdout",
  "details" : "### Impact\n\nDuring certain error conditions, OpenBao Agent's exec rendering mode will incorrectly write secrets specified in `env_template` to stdout. This primarily happens when `num_retries` is met.\n\nThis vulnerability is original to Vault and was reported via the OpenBao security mailing list.\n\n### Patches\n\nThis is addressed in OpenBao v2.6.0 GA.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/openbao/openbao"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.0.0-20260714163218-90272575e5f5"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/openbao/openbao"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0.1.0"
      }, {
        "last_affected" : "1.1.5"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/openbao/openbao/security/advisories/GHSA-444v-8vxr-p36h"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openbao/openbao/pull/3494"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openbao/openbao/pull/3495"
  }, {
    "type" : "WEB",
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  }, {
    "type" : "WEB",
    "url" : "https://github.com/openbao/openbao/commit/ee3aa4aff72c5176cf02af21eac7158899080878"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/openbao/openbao"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openbao/openbao/releases/tag/v2.6.0"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-532" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-09-22T20:36:46Z",
    "nvd_published_at" : null
  }
}