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VulnerabilityPublished

CVE-2026-82965: Uncontrolled Resource Consumption

Source GCVE Database

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Authoritative record:CVE-2026-82965· High 7.5

Not known to be exploited · CVSS 7.5 High.

Data as of 5 Nov 2026, 19:35 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.17.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Nov 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 5 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hat Build of Keycloakkeycloak/rhbk-openshift-rhel9Affected–Fixed in–
Red Hat Build of Keycloakkeycloak-servicesAffected–Fixed in–
Red Hat Build of Keycloakrhbk/keycloak-rhel9Affected–Fixed in–
Red Hat Single Sign-On 7keycloak-servicesAffected–Fixed in–

AI-suggested

Currently, no mitigation or patch is available that meets Red Hat's criteria for ease of deployment and stability. Users should monitor Red Hat advisories for future updates or fixes. No workaround or temporary fix is provided by the vendor at this time.

Description

A vulnerability in Keycloak's SAML implementation allows unauthenticated remote attackers to send large, specially crafted XML messages to the SAML Artifact Resolution and ECP SOAP endpoints. This causes excessive memory consumption, leading to application crashes and denial of service for all users. No patch or mitigation currently meets Red Hat's criteria for deployment.

References

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