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VulnerabilityPublished

CVE-2026-92387: curl · Infinite Loop

Affects curlSource CVE Database V5

0

Not known to be exploited.

Data as of 26 Oct 2026, 16:53 UTC

Severity
Unrated

Rated by Threat Radar · CVSS not yet scored by NVD

EPSS
0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
curlcurlAffected
  • >=8.22.0 <=8.22.0
  • >=8.21.0 <=8.21.0
  • >=8.20.0 <=8.20.0
  • >=8.19.0 <=8.19.0
  • >=8.18.0 <=8.18.0
  • >=8.17.0 <=8.17.0
  • >=8.16.0 <=8.16.0
  • >=8.15.0 <=8.15.0
  • >=8.14.1 <=8.14.1
  • >=8.14.0 <=8.14.0
  • >=8.13.0 <=8.13.0
  • >=8.12.1 <=8.12.1
  • >=8.12.0 <=8.12.0
  • >=8.11.1 <=8.11.1
  • >=8.11.0 <=8.11.0
  • >=8.10.1 <=8.10.1
  • >=8.10.0 <=8.10.0
Fixed in–

Description

By permanently omitting the final control-response line, a malicious FTP, IMAP, POP3, or SMTP server can exploit libcurl and completely bypass its configured transfer timeout mechanism, indefinitely blocking all concurrent transfers bound to the same multi-handle.

References

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