CVE-2026-97274: miniorange oauth single sign on – sso (oauth client) Authentication Bypass by Spoofing
CVSS: 9.8v3.1CriticalDeferred
Published 30-09-2026Last modified 30-09-2026
Vulnerability summary
CVE-2026-97274 is a critical (CVSS 9.8) Authentication Bypass by Spoofing vulnerability in miniorange oauth single sign on – sso (oauth client). EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.5% of scored vulnerabilities. Fixed in 7.1.3.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.30%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 30-09-2026PublishedVulnerability first disclosed.
- 30-09-2026Last modifiedVulnerability information updated.
Description
Unauthenticated Bypass Vulnerability in OAuth Single Sign On – SSO (OAuth Client) <= 7.1.2 versions.
CVSS metrics
3 scores · 3 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources3 sources · 5.3–9.8
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- wordfenceSource5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
01-10-202621-10-2026
EPSS score0.30%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-290Authentication Bypass by SpoofingThis attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
- CWE-287Improper AuthenticationWhen an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected systems
Miniorange1 product
- oauth single sign on – sso (oauth client)≥ n/a, ≤ 7.1.2
Wordpress1 product
- miniorange-login-with-eve-online-google-facebook≤ 7.1.2 (fixed in 7.1.3)
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry