Threat Intelligence / CVE / CVE-2026-57807

CVE-2026-57807 — miniOrange Security Software Pvt Ltd. OAuth Single Sign On - SSO (OAuth Client)

CVSS v3.1 9.8 (CRITICAL) · EPSS 0.4% (higher than 34.5% of all scored CVEs) · Priority 6.3/10 · Published 2026-07-10

As of 2026-07-10, CVE-2026-57807 is a CRITICAL-severity vulnerability in miniOrange Security Software Pvt Ltd. OAuth Single Sign On - SSO (OAuth Client), CVSS v3.1 9.8, EPSS 0.4% (34.5th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-57807, most recently “Critical Authentication Bypass in WordPress OAuth Single Sign-On (SSO) Plugin by miniOrange (CVE-2026-57807)”.

Last updated: 2026-07-10

What is CVE-2026-57807?

Authentication Bypass Using an Alternate Path or Channel vulnerability in miniOrange Security Software Pvt Ltd. OAuth Single Sign On - SSO (OAuth Client) allows Password Recovery Exploitation. This issue affects OAuth Single Sign On - SSO (OAuth Client): from n/a through 38.5.8.

The record classifies CVE-2026-57807 under weakness class CWE-288. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 74 days ago.

Severity and exploitation probability

CVSS v3.1 base score: 9.8 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (FIRST): 0.4% probability of exploitation in the next 30 days, higher than 34.5% of all scored CVEs
CISA KEV: Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority: 6.3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published: 2026-07-10

Is CVE-2026-57807 being exploited?

No public exploitation evidence for CVE-2026-57807 is recorded in the sources Threadlinqs tracks — CISA KEV, Exploit-DB, public proof-of-concept repositories and ProjectDiscovery Nuclei — as of 2026-07-10. That is an absence of evidence in those feeds, not a guarantee that the vulnerability is unexploited.

Affected products and versions

miniOrange Security Software Pvt Ltd.: OAuth Single Sign On - SSO (OAuth Client)

How to fix CVE-2026-57807

No vendor patch reference has been recorded for CVE-2026-57807 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-57807

1 tracked threat in the Threadlinqs corpus references CVE-2026-57807, either in the campaign’s CVE list or as an indicator on the campaign record.

Critical Authentication Bypass in WordPress OAuth Single Sign-On (SSO) Plugin by miniOrange (CVE-2026-57807) — CRITICAL · 2026-07-13

Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-07-13. This product uses the NVD API but is not endorsed or certified by the NVD.

Vulnerability database entry

patchstack.com — vdb entry

Full detection coverage & IOCs for threats exploiting CVE-2026-57807 are available via the Threadlinqs MCP server (Purple tier). View plans →

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