Advisory details:
github_osv / GHSA-p5mv-gj8j-xqgf
| Advisory ID | github_osv/GHSA-p5mv-gj8j-xqgf |
| Aliases |
CVE-2026-7307
|
| Summary | Keycloak: Denial of Service via specially crafted SAML input A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language (SAML) endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service (DoS) where the server becomes unavailable. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 6.8 |
| Risk | 3.4 |
| Affected and Fixed Packages | Package Details |
| Introduced and Fixed Package Commit Patches | Package Commit Patches Details |
| System | Score | Found at |
|---|---|---|
| cvssv3.1 | 7.5 | https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-p5mv-gj8j-xqgf/GHSA-p5mv-gj8j-xqgf.json |
| generic_textual | HIGH |
| Reference id | Reference type | URL |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2026-7307 | ||
| https://bugzilla.redhat.com/show_bug.cgi?id=2476526 | ||
| https://github.com/keycloak/keycloak | ||
| https://github.com/keycloak/keycloak/commit/be84d28ce4c69c038d542f11405d5ede1d61f4a9 | ||
| https://github.com/keycloak/keycloak/pull/49119 | ||
| https://github.com/keycloak/keycloak/releases/tag/26.6.2 | ||
| CVE-2026-7307 | https://nvd.nist.gov/vuln/detail/CVE-2026-7307 | |
| RHSA-2026:19594 | Advisory | https://access.redhat.com/errata/RHSA-2026:19594 |
| RHSA-2026:19595 | Advisory | https://access.redhat.com/errata/RHSA-2026:19595 |
| RHSA-2026:19596 | Advisory | https://access.redhat.com/errata/RHSA-2026:19596 |
| RHSA-2026:19597 | Advisory | https://access.redhat.com/errata/RHSA-2026:19597 |
No EPSS data available for this advisory.
| Patch URL | |
|---|---|
| There are no known patches. | |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-05-19T12:49:06Z/
Decision: Track
Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/7xxx/CVE-2026-7307.json
Source Advisory: vulnrichment/CVE-2026-7307
[{'Exploitation': 'none'},
{'Automatable': 'yes'},
{'Technical Impact': 'partial'},
{'Mission Prevalence': 'minimal'},
{'Public Well-being Impact': 'material'},
{'Mission & Well-being': 'medium'}]
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-05-19T12:49:06Z/
Decision: Track
Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/7xxx/CVE-2026-7307.json
Source Advisory: vulnrichment/CVE-2026-7307
[{'Exploitation': 'none'},
{'Automatable': 'yes'},
{'Technical Impact': 'partial'},
{'Mission Prevalence': 'minimal'},
{'Public Well-being Impact': 'material'},
{'Mission & Well-being': 'medium'}]