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Person

Johannes Ullrich

Security researcher and Dean of Research at the SANS Technology Institute; founder of the SANS Internet Storm Center and host of its daily Stormcast podcast.

Known aliases

  • Dr. Johannes Ullrich
  • Johannes Ullrich
  • Ullrich

Current stories

securityOne report1 publisher

Ransomware actors exploit Palo Alto GlobalProtect bypass CVE-2026-0257, ReliaQuest reports

ReliaQuest reports ransomware actors are exploiting CVE-2026-0257, an authentication bypass in Palo Alto PAN-OS GlobalProtect and Prisma Access. The Bedrock Agents credential flaw Zenity found is already fixed.

Publishers:isc.sans.edu

Reality

Evidence50
Adoption
Not scored
Hype gap−10
Incentives
Not scored
Confidence55
securityOne report1 publisher

GitLab patches CVE-2026-97229, an unauthenticated code execution flaw in its CI/CD regex compiler

GitLab patched CVE-2026-97229, an integer overflow in its CI/CD regex compiler that lets unauthenticated users run code on self-managed servers. Separately, Let's Encrypt's 64-day production certificates start February 10, 2027, so renewal automation needs a test run first.

Publishers:isc.sans.edu

Reality

Evidence55
Adoption
Not scored
Hype gap+5
Incentives
Not scored
Confidence65
securityConfirmed6 publishers

Attackers hit Atlassian's CVE-2026-21589 two hours after watchTowr published the technique

Previdian recorded exploitation attempts against Atlassian's CVE-2026-21589 within two hours of watchTowr publishing the arbitrary file access technique. The CVSS 9.3 flaw lets an unauthenticated attacker read specific webroot files across eight Data Center products.

Perspective Coverage

6 publishers
Builder
Builder 27%
Operator
Operator 67%
Investor
Investor 6%

Reality

Evidence78
Adoption30
Hype gap+15
Incentives45
Confidence70
securityOne report1 publisher

Microsoft rates its only two exploited July bugs important and moderate

Microsoft's July update fixes 622 vulnerabilities, 62 of them rated critical. The two it says attackers are already using, in AD FS and SharePoint Server, sit below that line, so exploited status has to order the work.

Publishers:sans.org

Reality

Evidence68
Adoption45
Hype gap+12
Incentives35
Confidence66
securityOne report1 publisher

Three items, one tier: Keycloak's reset bug, an N-able password leak, a Grok data-theft trick

A single Stormcast episode carries a Keycloak 26.7.2 password-reset fix, a reported N-able password manager leak, and a published LLM safeguard bypass. Most of it sits in the identity and secrets tier.

Publishers:isc.sans.edu

Reality

Evidence52
Adoption
Not scored
Hype gap+14
Incentives34
Confidence55