Unauthenticated account access via unlimited login attempts
Published Jul 20, 2026 · Updated Jul 20, 2026
Improper authentication-attempt restriction in dataCycle CORE 25.07.3 and earlier allows remote attackers to obtain account access. The browser route /users/sign_in and JSON route /api/v4/auth/login accept unlimited guesses because Devise lock and unlock strategies are disabled and no Rails request throttling is present. No prior access or user action is required; a guessed password returns a normal session cookie or fresh JWT, enabling the privileges of the targeted account.
Summary
What happened
Improper authentication-attempt restriction in dataCycle CORE 25.07.3 and earlier allows remote attackers to obtain account access. The browser route /users/sign_in and JSON route /api/v4/auth/login accept unlimited guesses because Devise lock and unlock strategies are disabled and no Rails request throttling is present. No prior access or user action is required; a guessed password returns a normal session cookie or fresh JWT, enabling the privileges of the targeted account.
The record
- CVE
- CVE-2026-32825
- Published
- Jul 20, 2026
- Updated
- Jul 20, 2026
- Vendor
- dataCycle GmbH
- Product
- dataCycle CORE
- Classifications
- CWE-307, T1110.001
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jul 20, 2026CVE publishedPublication date reported by the CVE source.
- Jul 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=<= 25.07.3
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.
Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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