In Flarum Core 0.1.0-beta.7.1, a serious leak can get everyone's email address.
Priority LOW 26CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200.
Summary
In Flarum Core 0.1.0-beta.7.1, a serious leak can get everyone's email address.
Why it matters now
EPSS 0.01167 67th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | flarum/framework (Packagist) | up to 0.1.0-beta.7.1 | — | No fix listed | GHSA-p6m5-x83r-hqmr |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- flarum/framework (Packagist) Vendor— Affected up to 0.1.0-beta.7.1 Fixed in — No fix listed GHSA-p6m5-x83r-hqmr
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-19133
- 2026-10-03 Alias added: GHSA-p6m5-x83r-hqmr
References
More Flarum vulnerabilities
- TI-2021-12339 XSS vulnerability with translator CVSS 3.1CRITICAL 10.0
- TI-2023-08736 Post mentions can be used to read any post on the forum without access control CVSS 3.1HIGH 7.7
- TI-2025-20573 Flarum Vulnerable to Session Hijacking via Authoritative Subdomain Cookie Overwrite CVSS 3.1MEDIUM 6.8
- TI-2022-20279 Cross site scripting vulnerability with discussion titles in flarum CVSS 3.1CRITICAL 9.0
- TI-2019-09878 Flarum before 0.1.0-beta.9 allows CSRF against all POST endpoints, as demonstrated by changing admin settings. CVSS 3.0HIGH 8.8
- TI-2019-08604 User/Command/ConfirmEmailHandler.php in Flarum before 0.1.0-beta.8 mishandles invalidation of user email tokens. CVSS 3.0HIGH 7.5
Sources
- CVE-2018-19133 · CVE Program
- CVE-2018-19133 · NVD
- FIRST EPSS
- GHSA-p6m5-x83r-hqmr · GitHub Advisory Database · CC BY 4.0
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