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VulnerabilityPublished

CVE-2026-86983: Apple swift-crypto · A remote attacker may be able to terminate a process that passes attacker-controlled input to the

Affects Apple swift-cryptoSource CVE Database V5

0

Not known to be exploited : upgrade to 5.0.3 when convenient.

Data as of 28 Oct 2026, 23:27 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD

Patch
Available – fixed in 5.0.3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 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

Upgrade swift-crypto and apple/swift-crypto to 5.0.3.

Affected software

ProductAffectedFixed in
Appleswift-cryptoAffected
  • <5.0.3
Fixed in
  • 5.0.3
SwiftURLapple/swift-cryptopkg:swift/apple/swift-cryptoOther threatsAffected
  • <5.0.3
Fixed in
  • 5.0.3

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade swift-crypto to version 5.0.3 or later to apply the official fix for this vulnerability.

Description

A vulnerability in swift-crypto allows a remote attacker to terminate a process by passing attacker-controlled input of unbounded length to the P-384 VOPRF API. This issue is fixed in version 5.0.3.

References

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