Forced team login via text/plain join requests
Published Jun 15, 2026 · Updated Jun 15, 2026
Login CSRF in OWASP MultiJuicer 8.0.0 through 10.0.0 allows remote attackers to force a victim's browser into an attacker-controlled team. The POST /multi-juicer/api/teams/{team}/join handler accepts text/plain requests, letting a cross-site HTML form bypass CORS preflight and plant a new team-session cookie. Exploitation requires the victim to visit an attacker-controlled page with network access to the deployment; subsequent challenge activity and entered data accrue to the attacker's instance.
Summary
What happened
Login CSRF in OWASP MultiJuicer 8.0.0 through 10.0.0 allows remote attackers to force a victim's browser into an attacker-controlled team. The POST /multi-juicer/api/teams/{team}/join handler accepts text/plain requests, letting a cross-site HTML form bypass CORS preflight and plant a new team-session cookie. Exploitation requires the victim to visit an attacker-controlled page with network access to the deployment; subsequent challenge activity and entered data accrue to the attacker's instance.
The record
- CVE
- CVE-2026-48518
- Published
- Jun 15, 2026
- Updated
- Jun 15, 2026
- Vendor
- OWASP ModSecurity
- Product
- MultiJuicer
- Classifications
- CWE-352, T1204.001
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jun 15, 2026CVE publishedPublication date reported by the CVE source.
- Jun 15, 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=>= 8.0.0, < 10.0.1
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
- Cross-site team-join HTML formproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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