8.1Hoch

CVE-2026-8286wrong STARTTLS connection reuse

curl curl Veröffentlicht: 2026-07-03 09:14 (vor 4 Monaten)

Beschreibung

A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though the TLS configuration mismatches so it should not.

Schwachstellentyp (CWE): CWE-295

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

Hersteller	Produkt	Versionen
curl	curl	7.30.0 – < 8.14.2, 8.15.0 – < 8.16.1, 8.17.0 – < 8.20.1
haxx	curl	7.30.0 – < 8.21.0

Referenzen und Patches

https://curl.se/docs/CVE-2026-8286.json Vendor Advisory
https://curl.se/docs/CVE-2026-8286.html PatchVendor Advisory
https://hackerone.com/reports/3718195 ExploitIssue TrackingThird Party Advisory

CPE-Treffer (NVD) (1)

cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* ≥ 7.30.0 < 8.21.0

CVSS-Score

8.1Hoch

Quelle: CISA-ADP · CVSS 3.1

Angriffsvektor: Netzwerk
Komplexität: Niedrig
Rechte erforderlich: Niedrig
Benutzerinteraktion: Keine
Geltungsbereich: Unverändert
Vertraulichkeit: Hoch
Integrität: Hoch
Verfügbarkeit: Keine

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Alle Scores (2)

CISA-ADP	CVSS 3.1	8.1Hoch
134c704f-9b21-4f2e-91b3-4a467353bcc0	CVSS 3.1	8.1Hoch

EPSS (Ausnutzungswahrscheinlichkeit in 30 Tagen)

0.31%

höher als 24 % aller CVEs

CISA-Bewertung (SSVC)

Ausnutzung: poc
Automatisierbar: no
Technische Auswirkung: total

Zeitverlauf

ID reserviert2026-05-11
Veröffentlicht2026-07-03 09:14
Bei IP-DB eingegangen2026-10-24 23:40
Zuletzt aktualisiert2026-09-15 10:16

Vergeben von (CNA): curl
NVD-Status: Modified

In der Quelle ansehen: CVE.org · NVD

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