CVE-2026-41426
- Source
- https://cve.org/CVERecord?id=CVE-2026-41426
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-41426.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-41426
- Aliases
- Published
- 2026-04-24T19:15:39.205Z
- Modified
- 2026-07-08T08:13:14.672859474Z
- Severity
-
- 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
- Summary
- pretalx: Email injection via unescaped user-controlled placeholders in pretalx mail templates
- Details
-
pretalx is a conference planning tool. Prior to 2026.1.0, an unauthenticated attacker can send arbitrary HTML-rendered emails from a pretalx instance's configured sender address by embedding malformed HTML or markdown link syntax in a user-controlled template placeholder such as the account display name. The most direct vector is the password-reset flow: the attacker registers an account with a malicious name, enters the victim's email address, and triggers a password reset. The resulting email is delivered from the event's legitimate sender address and passes SPF/DKIM/DMARC validation, making it a ready-made phishing vector. This vulnerability is fixed in 2026.1.0.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41426.json", "cna_assigner": "GitHub_M", "cwe_ids": [ "CWE-116", "CWE-79" ] }- References
Affected packages
Git / github.com/pretalx/pretalx
Affected ranges
- Type
- GIT
- Repo
- https://github.com/pretalx/pretalx
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
- Database specific
{ "source": [ "AFFECTED_FIELD", "CPE_RANGE" ], "cpe": "cpe:2.3:a:pretalx:pretalx:*:*:*:*:*:*:*:*", "extracted_events": [ { "introduced": "0" }, { "fixed": "2026.1.0" } ] }
Affected versions
v0.*
v0.1.0
v0.2.0
v0.2.1
v0.2.2
v0.3.0
v0.3.1
v0.4.0
v0.4.1
v0.5.0
v0.6.0
v0.6.1
v0.7.0
v0.7.1
v0.8.0
v0.9.0
v1.*
v1.0.0
v1.1.0
v2.*
v2.0.0
v2.1.0
v2.1.1
v2.2.0
v2.3.0
v2.3.1
v2023.*
v2023.1.0
v2024.*
v2024.1.0
v2024.2.0
v2024.2.1
v2024.3.0
v2024.3.1
v2025.*
v2025.1.0
v2025.2.0
v2025.2.1