CVE-2025-27935

HIGHNVD 8.6

8.6

The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication.

CVSS v3: 8.6
EG Score: 0.0(none)
EPSS: 26.9%
KEV: Not listed

Published

December 4, 2025

Last Modified

April 15, 2026

References (2)

responsible-disclosure@pingidentityhttps://support.pingidentity.com/s/article/SECADV051-PingFederate-OTP-Integration-Kit-authentication-bypass
responsible-disclosure@pingidentityhttps://www.pingidentity.com/en/resources/downloads/pingfederate.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-306Missing Authentication for Critical Function

Data Freshness Timeline

(refreshed 9× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 06:10 UTCepss_batch
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2026-06-04 13:12 UTCepss_batch
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2026-05-26 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2025-27935?

CVE-2025-27935 is a high vulnerability published on December 4, 2025. The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication.

When was CVE-2025-27935 disclosed?

CVE-2025-27935 was first published in the National Vulnerability Database on December 4, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-27935 actively exploited?

CVE-2025-27935 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-27935?

CVE-2025-27935 has a CVSS v3 base score of 8.6 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 0.0.

How do I remediate CVE-2025-27935?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-27935, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-27935

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-27935?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)