5.9

CVE-2026-4873

Exploit

connection reuse ignores TLS requirement

A vulnerability exists where a connection requiring TLS incorrectly reuses an
existing unencrypted connection from the same connection pool. If an initial
transfer is made in clear-text (via IMAP, SMTP, or POP3), a subsequent request
to that same host bypasses the TLS requirement and instead transmit data
unencrypted.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Haxx ≫ Curl Version >= 7.20.0 < 8.20.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.02% 0.056
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 5.9 2.2 3.6
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-295 Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

CWE-319 Cleartext Transmission of Sensitive Information

The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.

https://hackerone.com/reports/3621851
Third Party Advisory
Exploit
Issue Tracking
http://www.openwall.com/lists/oss-security/2026/04/29/7
Patch
Third Party Advisory
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