# CVE-2026-35273: Oracle PeopleSoft Enterprise PeopleTools Missing Authentication for Critical Function Vulnerability - Exploited (CISA KEV): yes, added 2026-06-12, known ransomware use - Published: 2026-06-11 - CVSS: 9.8 CRITICAL (v3.1) - EPSS: 96.7% (100th percentile) - CWE: CWE-306 Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Updates Environment Management). Supported versions that are affected are 8.61 and 8.62. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks of this vulnerability can result in takeover of PeopleSoft Enterprise PeopleTools. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). ## Edge WAF coverage (claimed by vendors, not measured) | Vendor | Status | First rule | Days after publication | |---|---|---|---| | Cloudflare | No public claim | — | — | | AWS | No public claim | — | — | | Microsoft Azure | No public claim | — | — | | Google Cloud | No public claim | — | — | | Fastly | Before feed history | — | — | | F5 | Rule published | 2026-09-16 | 97 | | Akamai | No public source | — | — | | OWASP CRS | No public claim | — | — | ### F5 - 2026-09-16 · new · rule 200204080 > Added: signature 200204080 "Oracle PeopleSoft Remote Code Execution" (Server Side Code Injection, risk High), systems: Other Web Server. References: CVE-2026-35273. Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog ## Our test (measured) - OWASP Core Rule Set 4.25.0, paranoia level 1, anomaly threshold 5, default CRS settings: passed (0 of 1 requests blocked), template CVE-2026-35273, 2026-11-03 - OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: passed (0 of 1 requests blocked), template CVE-2026-35273, 2026-11-03 ## Social 1 posts seen since 2026-11-03. - x 2026-11-03: ShinyHunters (G1057) continues to target finance and healthcare, often using phishing and web shells. Monitor for T1566 and T1505.003. Their activity is linked to CVE-2026-35273, CVE-2026-65660, and CVE-2025-61882, all in CISA KEV. #Phishing #ThreatIntel #CyberSecurity (https://x.com/BytesNora/status/2117437405745606684) "No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it. HTML: https://cve.vigilbase.com/cve/CVE-2026-35273 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2026-35273