Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2022-27774

CVE-2022-27774MEDIUM

n/a https://github.com/curl/curl — An insufficiently protected credentials vulnerability exists in curl 4.9 to and include curl 7.82.0 are affected that could allow an atta…

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   L   R  U  H  N  N    5.7   .0201   80.5     —

AFFECTED
  Product                       Versions                                            Fixed
  https://github.com/curl/curl  curl 4.9 to and include curl 7.82.0 are affected –  —

TIMELINE
  Mar 23  Reserved by hackerone
  Jun 1   Published (CNA: hackerone)
  Oct 14  EXPLOIT PUBLISHED — CVE-2022-27774 (https://github.com/curl/curl). Public exploit reference added.

CWE-522 · CNA: hackerone · CVSS v3.1 · 6 references · NVD status: Modified

Description

An insufficiently protected credentials vulnerability exists in curl 4.9 to and include curl 7.82.0 are affected that could allow an attacker to extract credentials when follows HTTP(S) redirects is used with authentication could leak credentials to other services that exist on different protocols or port numbers.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
March 23, 2022	Reserved	Reserved by hackerone
June 1, 2022	Published	Published (CNA: hackerone)
October 14, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2022-27774 (https://github.com/curl/curl). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	https://github.com/curl/curl	—	curl 4.9 to and include curl 7.82.0 are affected	—

Weaknesses

CWE-522

References (6)

https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://hackerone.com/reports/1543773 [Exploit, Third Party Advisory]
https://lists.debian.org/debian-lts-announce/2023/01/msg00028.html [Mailing List, Third 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]

Authoritative record: CVE-2022-27774 at cve.org

Weaknesses: CWE-522

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-27774 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.