VulnerabilityDeferred

CVE-2026-51954

An issue in Webasyst Framework 4.0.3 and before allows a remote attacker to execute arbitrary code via a crafted OAuth authorization URL with an arbitrary redirect_uri.

UnscoredEPSS 0.51%

Does this matter?

Not yet scored. NVD analysis is pending; check back once CVSS and EPSS values are published.

Description

An issue in Webasyst Framework 4.0.3 and before allows a remote attacker to execute arbitrary code via a crafted OAuth authorization URL with an arbitrary redirect_uri.

CVSS: Not yet scored
EPSS: 0.51% probability · 43th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Source: cve@mitre.org

EPSS trend

EPSS moved from 0.5% on 23 October 2026 to 0.5% on 26 October 2026.

References

https://github.com/Envincion/CVE-2026-51954
https://github.com/webasyst/webasyst-framework/issues/389
https://support.webasyst.com/forum/48658/unvalidated-redirect_uri-in-oauth-authorization-flow-allows-authorization-code-interception-and-permanent-api-access/

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.