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Security News — 1 September 2026

A daily, automatically-compiled digest of the cyber security stories that broke in the last 24 hours, drawn from 9 trusted feeds. Each entry is a short excerpt — follow the link to read the full article at its original publisher. Compiled 1 September 2026 · 27 items.

Top 5 to watch today

  1. CISA Adds Two Known Exploited Vulnerabilities to Catalog exploited CISA Current Activity
  2. Microsoft warns of TerminalFix attacks deploying reverse tunnels BleepingComputer
  3. CVE-2026-82971 — CRITICAL (CVSS 9.3) Critical CVEDatabase - Critical CVEs
  4. Aurora Ransomware Operators Use Cursor AI in Attacks Against 10 Targets The Hacker News
  5. CVE-2026-83524 — HIGH (CVSS 8.6) High CVEDatabase - Critical CVEs

Urgent Vulnerabilities 5

Actively exploited, critical, or high-severity flaws — patch or mitigate first.

CISA Current Activity01 Sep

CISA Adds Two Known Exploited Vulnerabilities to Catalog

KEV · exploited
Exploited
Yes — CISA KEV
Product
PaperCut NG/MF
Impact
Missing authentication
Action
Patch per vendor / CISA KEV

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-81578 PaperCut NG/MF Missing Authentication for Critical Function Vulnerability CVE-2026-82078…

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CVEDatabase - Critical CVEs01 Sep

CVE-2026-82971 — CRITICAL (CVSS 9.3)

CriticalCVSS 9.3
Product
QVidium Opera11
Action
Patch when a fix is available; monitor exposure

CVSS 9.3 CRITICAL A vulnerability was determined in QVidium Opera11 3.3.2a26-Ax4x-opera11. This affects an unknown part of the file /cgi-bin/net_tr.cgi of the component CGI Script. This manipulation of the argument ipaddr causes command in…

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CVEDatabase - Critical CVEs01 Sep

CVE-2026-83524 — HIGH (CVSS 8.6)

HighCVSS 8.6
Audience
Linux/server admins
Action
Patch when a fix is available; monitor exposure

CVSS 8.6 HIGH A security vulnerability has been detected in RedPort Optimizer wXa-203, Optimizer wXa-213 and Optimizer wXa-223 up to 20260704. This impacts the function exec of the file /xgatev1/system/datetime.php of the component System…

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CVEDatabase - Critical CVEs01 Sep

CVE-2026-82954 — HIGH (CVSS 8.6)

HighCVSS 8.6
Product
Dokploy
Action
Patch when a fix is available; monitor exposure

CVSS 8.6 HIGH A vulnerability was detected in Dokploy up to 0.29.7. This issue affects the function writeTraefikConfigInPath of the file packages/server/src/utils/traefik/application.ts of the component Settings. The manipulation of the ar…

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CVEDatabase - Critical CVEs01 Sep

CVE-2026-82691 — HIGH (CVSS 8.5)

HighCVSS 8.5

CVSS 8.5 HIGH A vulnerability has been found in D-Link DNS-320L, DNS-327L, DNS-340L and DNS-345 up to 20260717. Affected by this issue is some unknown functionality of the file /cgi-bin/usb_device.cgi of the component CGI Handler. Such man…

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Other CVEs 4

Lower-severity or unconfirmed-exploitation vulnerabilities.

CVEDatabase - Recent CVEs01 Sep

CVE-2026-4560

Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. Reason: This candidate was issued in error. Notes: All references and descriptions in this candidate have been removed to prevent accidental usage.

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CVEDatabase - Recent CVEs01 Sep

CVE-2026-82957 — MEDIUM (CVSS 5.5)

MediumCVSS 5.5

CVSS 5.5 MEDIUM A vulnerability was found in hyperledger-firefly firefly up to 1.4.0. The impacted element is the function ValidateOptions of the file internal/events/webhooks/webhooks.go of the component Webhook Subscription. Performing a…

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CVEDatabase - Recent CVEs01 Sep

CVE-2026-82922 — MEDIUM (CVSS 5.5)

MediumCVSS 5.5
Product
ShopEx ECShop
Audience
Linux/server admins
Action
Patch when a fix is available; monitor exposure

CVSS 5.5 MEDIUM A security vulnerability has been detected in ShopEx ECShop up to 2.5.1. This vulnerability affects the function flow_update_cart of the file /flow.php?step=update_cart. The manipulation of the argument rec_id leads to sql…

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CVEDatabase - Recent CVEs01 Sep

CVE-2026-82921 — MEDIUM (CVSS 5.5)

MediumCVSS 5.5
Product
ShopEx ECShop
Audience
Linux/server admins
Action
Patch when a fix is available; monitor exposure

CVSS 5.5 MEDIUM A weakness has been identified in ShopEx ECShop up to 2.5.1. This affects the function check_img_type of the file admin/pack.php. Executing a manipulation of the argument pack_img can lead to unrestricted upload. It is poss…

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Threat Activity 11

Malware, campaigns and adversary tradecraft.

Breaches & Incidents 2

Ransomware, data breaches and supply-chain events.

Research & Detection 3

Detection engineering, tooling and defensive analysis.

Policy & Commentary 2

Industry, executive and AI-security perspective.

Schneier on Security01 Sep

Is Someone Hacking DoD Refrigerators?

It sure seems like it. The stores confirmed to be affected include Fort Irwin , Calif.; F.E. Warren Air Force Base , Wyo.; Fort Huachuca , Ariz.; Naval Station Newport , R.I.; Columbus Air Force Base , Miss.; and Travis Air Force Base , Ca…

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