Jan 22, 2026 Cyber Threat Intelligence

Track daily vulnerability activity, KEV additions, public exploits, critical disclosures, and EPSS risk shifts.

Daily summary

  • Synacor Zimbra Collaboration Suite (ZCS) added to CISA KEV — confirmed in-the-wild exploitation.
  • Lfprojects Mlflow — exploitation likelihood rose sharply (EPSS 22% → 33% · rising (+11%)).
  • 10 new critical disclosures — review patch status on exposed services.

Top threats today

Three highest-priority changes — analyst brief, not a CVE dump.

Critical active threat

CVE-2025-34026 Versa Concerto Improper Authentication

  • Actively exploited (CISA KEV)
  • Listed on CISA KEV
  • Authentication bypass — unauthenticated access risk

Versa Concerto Auth Bypass is on CISA KEV — confirmed in-the-wild exploitation. Expect continued targeting while the issue remains on the catalog.

Emerging exploitation risk

CVE-2023-6568 Lfprojects Mlflow XSS

  • Exploitation likelihood sharply increased
  • EPSS 22% → 33% · rising (+11%)

Lfprojects Mlflow: EPSS 22% → 33% · rising (+11%) — EPSS is climbing faster than peer CVEs in this window, a leading indicator even before KEV or public exploit linkage.

Critical exposure

CVE-2026-24306 Microsoft Azure Front Door privilege escalation

  • CVSS 9.8
  • Potential privilege escalation to admin/root

New critical Microsoft Azure Front Door privilege escalation (CVSS 9.8) — fresh disclosure window; early internet scanning often precedes mature exploit chains.

Active exploitation

CISA KEV — confirmed in-the-wild exploitation.

Synacor Zimbra Collaboration Suite (ZCS) PHP Remote File Inclusion

Prettier eslint-config-prettier Embedded Malicious Code

View KEV additions

Exploit & PoC activity

Nothing flagged in this category for this digest.

View new exploit links

Exploitation dynamics

CVE-2023-6568 EPSS 22% → 33% · rising (+11%) CVSS 6.1

Lfprojects Mlflow XSS

CVE-2009-4107 EPSS 5.0% → 15% · rising (+10%) CVSS 9.3

Amplusnet Invisible Browsing Buffer Overflow

See EPSS increases

New critical disclosures

CVE-2025-54816 CVSS 9.4

This vulnerability occurs when a WebSocket endpoint does not enforce proper authentication mechanisms, allowing unauthorized users to est...

CVE-2025-56590 CVSS 9.8

An issue was discovered in the InsertFromURL() function of the Apryse HTML2PDF SDK thru 11.10.

CVE-2026-1201 CVSS 9.4

An Authorization Bypass Through User-Controlled Key vulnerability in Hubitat Elevation home automation controllers prior to version 2.4.2...

CVE-2026-20750 CVSS 9.1

Gitea does not properly validate project ownership in organization project operations.

CVE-2026-20897 CVSS 9.1

Gitea does not properly validate repository ownership when deleting Git LFS locks.

CVE-2026-20912 CVSS 9.1

Gitea does not properly validate repository ownership when linking attachments to releases.

CVE-2026-21264 CVSS 9.3

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Account allows an unauthorized attacker...

CVE-2026-24305 CVSS 9.3

Azure Entra ID Elevation of Privilege Vulnerability

CVE-2026-24306 CVSS 9.8

Improper access control in Azure Front Door (AFD) allows an unauthorized attacker to elevate privileges over a network.

CVE-2026-24307 CVSS 9.3

Improper validation of specified type of input in M365 Copilot allows an unauthorized attacker to disclose information over a network.

View critical disclosures

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