CVE-2025-32781: Apollo: Apollo Portal release endpoint allows cross-application configuration disclosure via releaseId
Apollo is a reliable configuration management system suitable for microservice configuration management scenarios. Prior to 2.5.0, Apollo Portal does not verify application and namespace permissions when an authenticated user requests a release by ID through GET /envs/{env}/releases/{releaseId} while configView.memberOnly.envs is enabled, allowing a low-privileged Portal user who obtains or guesses a valid releaseId to read configuration data from other applications and namespaces without calling UserPermissionValidator.shouldHideConfigToCurrentUser(...). This issue is fixed in version 2.5.0.
Security readout for executives and security teams
Plain-English summary
Apollo Portal before 2.5.0 can let an authenticated low-privilege user read configuration data belonging to other applications or namespaces if they know or guess a release ID. The main business risk is sensitive configuration disclosure, especially if secrets or internal service details are stored there.
Executive priority
Treat as a near-term remediation item, not an emergency. Prioritize faster if Apollo stores secrets, supports multiple teams, or is exposed to many authenticated users. Upgrade planning should be straightforward because the fix is identified in version 2.5.0.
Technical view
When configView.memberOnly.envs is enabled, GET /envs/{env}/releases/{releaseId} failed to verify application and namespace permissions and skipped UserPermissionValidator.shouldHideConfigToCurrentUser(...). This is an ID-based authorization flaw affecting Apollo before 2.5.0, mapped to CWE-639 and CWE-862.
Likely exposure
Exposure is limited to organizations running Apollo Portal versions before 2.5.0 with authenticated users and member-only configuration viewing enabled. Risk rises where many teams share one Portal or where configuration contains credentials, internal endpoints, or tenant-sensitive data.
Exploitation context
The provided sources do not report active exploitation, and KEV is false. Exploitation requires Portal authentication and a valid or guessed releaseId. The impact is confidentiality-only in the published CVSS vector, with no integrity or availability impact stated.
Researcher notes
The issue is a missing authorization check on release lookup by ID. The advisory states application and namespace permissions were not verified for this endpoint. Evidence supports confidentiality impact, but the bundle does not include proof of active exploitation or broader affected products.
Mitigation direction
Upgrade Apollo to version 2.5.0 or later.
Review the GitHub advisory and release notes before deployment.
Limit Apollo Portal access to users with a business need.
Review configuration content for secrets and rotate exposed credentials if needed.
Validation and detection
Inventory Apollo Portal deployments and confirm installed versions.
Check whether configView.memberOnly.envs is enabled.
Review Portal access logs for unusual release retrieval activity.
Confirm users cannot view releases outside authorized applications after upgrading.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · low confidence lookup
CWE-639: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
CWE-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-639 · source CWE mapping
Authorization Bypass Through User-Controlled Key
Authorization Bypass Through User-Controlled Key represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.