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CVE-2026-4873VulnerabilityPublished Updated

SUSE · Security update for curl

Affects SUSESource GCVE Database

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Mentioned vulnerabilities

Not known to be exploited.

Data as of 10 Nov 2026, 20:06 UTC

Severity
Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 17 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.

Description

This update for curl fixes the following issues: - CVE-2026-4873: connection reuse ignores TLS requirement (bsc#1262631). - CVE-2026-5545: wrong reuse of HTTP Negotiate connection (bsc#1262632). - CVE-2026-6253: proxy credentials leak over redirect-to proxy (bsc#1262635). - CVE-2026-6276: stale custom cookie host causes cookie leak (bsc#1262636). - CVE-2026-6429: netrc credential leak with reused proxy connection (bsc#1262638).

References

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