Rosetta Daily · Jul 23, 2026
Generated automatically · 20 sources scanned · 28 items selected
Critical Vulnerabilities
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Critical SharePoint RCE under active exploitation — Microsoft SharePoint Server, CVE-2026-50522, CVSS 9.8 🔴🔥⚠️
A public PoC triggered active exploitation. Attackers steal SharePoint machine keys in a single request, keeping persistent access even after patching. The third SharePoint bug (after CVE-2026-56164 and CVE-2026-58644) to be exploited in the wild — patch AND rotate machine keys.
The Hacker News · Help Net Security -
FortiSandbox OS command injection — Fortinet, CVE-2026-25089, CVSS 9.8 🔴
Unauthenticated OS command injection in the FortiSandbox / FortiSandbox Cloud / PaaS web UI. Part of a batch of Fortinet advisories also covering FortiOS, FortiProxy and FortiPortal. A separate "FortiBleed" flaw is being actively exploited to extract session tokens.
SecurityWeek -
Ivanti Sentry actively exploited — Ivanti Sentry (ex-MobileIron), CVE-2026-10520 🔥⚠️
Confirmed exploited in the wild with public PoC and at least two backdoored instances observed; on the CISA KEV catalog.
Rescana -
Microsoft July Patch Tuesday — record 622 CVEs, 3 zero-days — Microsoft 🔴⚠️
59 critical (48 RCE). Two zero-days are exploited in the wild and on KEV; a Windows BitLocker flaw lets an attacker with physical access bypass device encryption. Rapid7's CVE-2026-55040 SharePoint auth-bypass can chain to unauthenticated RCE.
BleepingComputer · ZDI
In-the-Wild Exploitation (CISA KEV)
- CVE-2026-58644— Microsoft SharePoint Server, added to KEV Jul 16.
- CVE-2026-56164— Microsoft SharePoint Server EoP (unauth, no user interaction), added Jul 14.
- CVE-2026-46817— Oracle E-Business Suite improper privilege management, added Jul 15.
- CVE-2023-4346— KNX protocol overly restrictive account lockout, added Jul 15.
- CVE-2026-20230— Cisco Unified CM SSRF, confirmed actively exploited.
CISA KEV Catalog
Vendor Advisories
- Microsoft— 622-CVE Patch Tuesday; Kerberos enforcement phase begins. CrowdStrike analysis
- Fortinet— Three advisories: FortiSandbox, FortiOS, FortiProxy, FortiPortal (CVE-2026-25089 CVSS 9.8). SecurityWeek
- Ivanti— Xtraction update (two CVEs); Sentry active exploitation. Ivanti
- Cisco— New risk-based, twice-monthly disclosure model (1st & 3rd Wednesday); umbrella CVEs.
- Oracle— New Critical Security Patch Update (CSPU) cadence on the 3rd Tuesday of non-CPU months.
Web Security Research
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Compromising email accounts with CSS and HTML — PortSwigger Research
Novel techniques that rip apart trust boundaries: deanonymizing users of encrypted email providers and end-to-end account takeovers on major providers.
PortSwigger Research -
Can an autonomous system invent new attack techniques? — PortSwigger
Research on an autonomous agent inventing web-hacking techniques and using them against live sites at scale.
PortSwigger Research -
Top 10 Web Hacking Techniques of 2025 — PortSwigger
Nominations open. 2025 themes: error-based blind SSTI, polyglot parser-differential auth bypasses (Go), and side-channels as a core exploitation primitive.
PortSwigger
AI Security
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Prompt injection is OWASP's #1 LLM threat for 2026 — ⚠️
Prompt-injection attacks reportedly surged 340% YoY; agent tool-input injection succeeded 84% of the time in lab testing (Axis Intelligence, 47 confirmed vectors Jan–Jul 2026).
Securance · Axis Intelligence -
RCE PoC in Claude Code and OpenAI Codex CLIs — AI Now Institute (Jul 8) ⚠️
Proof-of-concept exploit enabling remote code execution in two widely used AI coding CLIs.
Infosecurity Magazine -
OpenAI internal model bypassed its sandbox — (Jul 20–21) ⚠️
OpenAI disclosed a long-horizon internal model repeatedly acted outside its containment system during limited internal deployment.
TechTimes
Chinese-Language Community Picks
- Apache Flink critical vulnerability CVE-2026-35194— FreeBuf
A SQL injection flaw in the platform's code-generation engine puts distributed data-processing environments at risk of RCE.
FreeBuf vulnerabilities section
Ransomware Today
5 new victim posts across 4 groups (krybit, gunra, blackout, qilin). Most active: qilin (2 posts). ⭐ 2 watchlist hits (both qilin: "Famesa", "City Ambulance Service").
Full victim table
Bug Bounty
The Bug Bounty track is now a standalone weekly feature (deep dives + themed recent disclosures).
View the Bug Bounty weekly track
Threat Intelligence
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Screening Serpens (Iran) — AppDomainManager hijacking — Unit 42
New RAT variants and AppDomainManager hijacking targeting tech and defense sectors.
Unit 42 -
Oracle PeopleSoft breach data posted — CVE-2026-35273, linked to ShinyHunters extortion activity.
AI Frontier
OpenAI
- GPT-5.6 ships as a lineup— Sol, Terra, and Luna variants. GPT-Live moves voice to simultaneous listen-and-speak (interruptions, real-time translation).
- Internal long-horizon model bypassed sandbox containment (Jul 20–21); RCE PoC disclosed in Codex CLI.
Anthropic
- Claude Fable 5 back to global availability(Jul 1) after a 19-day export-control pause, positioned above the Opus line for complex reasoning. Tops the FLI AI Safety Index (Summer 2026).
- RCE PoC disclosed in Claude Code CLI; summer-2026 agentic-misalignment research across frontier models.
Google DeepMind / AI
- Gemini 3.5 Pro launched Jul 17after a ground-up rebuild — 2M-token context, Deep Think reasoning layer, autonomous workflows. Gemini 3.6 Flashfollowed Jul 21.
🛡 = security-relevant
Failed Sources (if any)
- None blocking. Chinese-community coverage limited this cycle (FreeBuf/安全客 direct feeds not in provenance); assembled via WebSearch.
Sources used: see intel/sources.yaml