EUVD-2026-44724
GHSA-h4pc-58cc-hc95
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
|
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Alert meAnalysisAIv1 – Jul 13, 2026
Access key authentication bypass in Apollo ConfigService (com.ctrip.framework.apollo, versions < 2.5.2) lets an unauthenticated remote attacker read raw configuration data even when AccessKey/management-key authentication is enabled. The service mis-parses the appId on the /configfiles/raw/{appId}/{clusterName}/{namespace} endpoint as the literal string 'raw', so no matching secret is found and the signature check is skipped for the real target app. No public exploit identified at time of analysis; the flaw is fixed in Apollo 2.5.2.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 2 packages in maven, euvd
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from Vendor (https://github.com/apolloconfig/apollo) · only source for this CVE.
CVSS VectorVendor: https://github.com/apolloconfig/apollo
Lifecycle Timeline
2DescriptionCVE.org
Summary
Apollo ConfigService may allow unauthorized access to raw configuration data when AccessKey / management key authentication is enabled because authentication parsed the appId incorrectly for the raw config file endpoint.
Details
Requests under /configfiles/raw/{appId}/{clusterName}/{namespace} were parsed for authentication as appId "raw" instead of the actual path appId. ConfigService used the parsed appId to look up available AccessKey secrets before verifying the request signature.
If no AccessKey is configured for an application literally named "raw", ConfigService may treat the request as having no available secrets and allow it to continue without signature verification, even when AccessKey / management key authentication is enabled for the actual target appId in the path.
Impact
An unauthenticated remote attacker may read raw configuration data from affected ConfigService endpoints when AccessKey / management key authentication is enabled for the target app and the attacker requests the raw config file endpoint.
Affected endpoints
The primary impact is on ConfigService raw config file reads under /configfiles/raw/{appId}/{clusterName}/{namespace}.
Status
Fixed in Apollo 2.5.2. Users should upgrade to Apollo 2.5.2 or later.
Related advisory
The non-canonical appId matching issue is tracked separately in GHSA-4w3q-qpfq-v992 so each independently fixable vulnerability can receive its own CVE.
Executive ViewAI
Apollo ConfigService (versions prior to 2.5.2) contains an authentication bypass vulnerability that allows unauthenticated attackers to retrieve sensitive application configuration data including database credentials and API keys. With no public exploit identified at time of analysis, organizations using affected versions face immediate credential compromise risk and should implement interim mitigations while preparing for the 2.5.2 upgrade.
Within 24 hours: audit ConfigService access logs for the /configfiles/raw endpoint to identify potential unauthorized access and compromised credentials; restrict network access to Apollo ConfigService to known application servers only. Within 7 days: evaluate compatibility and deployment strategy for Apollo ConfigService 2.5.2; schedule maintenance window and prepare rollback plan. Within 30 days: deploy Apollo ConfigService 2.5.2 across all production and non-production instances; verify the upgrade blocks raw endpoint access without credentials; audit and rotate any secrets that may have been exposed.
Network segmentation via firewall rules restricting ConfigService access to pre-approved application hosts; API gateway authentication layer with rate limiting; temporary disabling of /configfiles/raw endpoint if operationally acceptable; enhanced audit logging and alerts on ConfigService authentication failures; credential rotation for any secrets managed by affected instances.
Threat Intelligence Overview
NVD
CVE.org
EPSS
Vulnrichment
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
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