Unauthenticated account access via unverified Apple openId
Published Jan 20, 2026 · Updated Jan 20, 2026
Improper authentication in CRMEB 5.6.0 through 5.6.3 allows remote attackers to obtain user tokens through the Apple login endpoint. The appleLogin method accepts a client-supplied openId, passes it to appAuth without verifying an Apple identity-token signature, and returns a valid application token. No prior authentication or user interaction is required; arbitrary openId values create accounts, while a known Apple openId grants access to the corresponding account.
Summary
What happened
Improper authentication in CRMEB 5.6.0 through 5.6.3 allows remote attackers to obtain user tokens through the Apple login endpoint. The appleLogin method accepts a client-supplied openId, passes it to appAuth without verifying an Apple identity-token signature, and returns a valid application token. No prior authentication or user interaction is required; arbitrary openId values create accounts, while a known Apple openId grants access to the corresponding account.
The record
- CVE
- CVE-2026-1202
- Published
- Jan 20, 2026
- Updated
- Jan 20, 2026
- Vendor
- CRMEB
- Product
- CRMEB
- Classifications
- CWE-287, T1136
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 20, 2026CVE publishedPublication date reported by the CVE source.
- Jan 20, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=5.6.0
- Affected versionversion=5.6.1
- Affected versionversion=5.6.2
- Affected versionversion=5.6.3
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
- Apple login authentication-bypass proof of conceptfunctional · demonstrated
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Technologies
Your stack
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Your stack
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