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VulnerabilityPublished

CVE-2026-22734: Cloud Foundry UUA · Authentication Bypass by Spoofing

Affects Cloud Foundry UUASource CVE Database V5

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Not known to be exploited · CVSS 8.6 High.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
8.6High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Apr 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 29 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Cloud FoundryUUAAffected
  • >=77.21.0 <=78.8.0
Fixed in–

AI-suggested

Until an official fix is available, organizations should consider disabling SAML 2.0 bearer assertions for clients or enforcing strict validation of SAML assertions, including requiring signatures and encryption, to mitigate the risk. Monitor vendor communications for updates on patches or official mitigations.

Description

Cloud Foundry UUA versions from v77.30.0 to v78.7.0 and CF Deployment versions from v48.7.0 to v54.14.0 are vulnerable to an authentication bypass. The vulnerability arises when SAML 2.

References

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