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Vulnerability record · CVE-2022-27776 · published 2 June 2022

CVE-2022-27776: Haxx curl insufficiently protected credentials vulnerability

Haxx · Curl

A insufficiently protected credentials vulnerability in fixed in curl 7.83.0 might leak authentication or cookie header data on HTTP redirects to the same host but another port number.

6.5 CVSS 3.1 Medium EPSS 3.8% · top 10.4% CWE-522 · Insufficiently protected credentials
6.5CVSS 3.1 base score, v2 4.3
3.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
14References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A insufficiently protected credentials vulnerability in fixed in curl 7.83.0 might leak authentication or cookie header data on HTTP redirects to the same host but another port number.

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

Affected products

13 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://hackerone.com/reports/1547048 ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7N5ZBWLNNPZKFK7Q4KEHGCJ Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DKKOQXPYLMBSEVDHFS32BPB Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202212-01 Third Party Advisory
https://security.netapp.com/advisory/ntap-20220609-0008/ Third Party Advisory
https://www.debian.org/security/2022/dsa-5197 Third Party Advisory
https://hackerone.com/reports/1547048 ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7N5ZBWLNNPZKFK7Q4KEHGCJ Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DKKOQXPYLMBSEVDHFS32BPB Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202212-01 Third Party Advisory
https://security.netapp.com/advisory/ntap-20220609-0008/ Third Party Advisory
https://www.debian.org/security/2022/dsa-5197 Third Party Advisory

Track CVE-2022-27776 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-27776), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.