ShinyHunters-Exploited Oracle PeopleSoft Zero-Day Turns Out to Be Three Chained Flaws

Used in attacksCriticalThe Hacker News · info@thehackernews.com (The Hacker News)·

At a glance

Severity
Critical
Used in attacks
Yes, 1 of 1 flaw named
Flaws named
CVE-2026-35273
Vendors and products
Oracle
Hacker groups and malware
ShinyHunters
Reported by
1 outlet

The critical Oracle PeopleSoft bug that ShinyHunters has exploited since May is not one flaw but three chained together, the researchers who reported it said this week. Oracle patched all three under a single identifier, CVE-2026-35273, in June. Its root is a server-side request forgery (SSRF) that reaches an internal management interface because PeopleSoft trusts its own loopback address…

We summarise and link; this source is not one we hold a licence to reproduce. Everything below is what CyberBrief adds: the vulnerabilities involved, whether they are being exploited, who is named, and who else covered it.

Vulnerabilities referenced

  • CVE-2026-35273Not scored yet

    Oracle PeopleSoft Enterprise PeopleTools

    Oracle PeopleSoft Enterprise PeopleTools contains a missing authentication for critical function vulnerability which could allow an unauthenticated attacker to obtain takeover of PeopleSoft Enterprise PeopleTools.

    Used in attacksUsed by ransomware gangs

    Added to CISA's list 2026-06-12

    Full record →

Fastnexa security experts

This story involves a flaw attackers are already using. Are you exposed?

A Fastnexa penetration tester can check whether CVE-2026-35273 or anything like it can be used against your websites, apps and network.

Book a 30-min callWhatsApp us

Think you’ve already been hit? Don’t wait on a form: call or WhatsApp +1 (732) 454 2616. We reply within 1 hour, 24/7. Emergency help →

Coverage

One outlet has carried this so far.

  1. The Hacker News ↗Established SourceFirst reported

    2026-10-28 06:04 UTC

Related stories