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AL26-020 - Vulnerabilities Impacting MikroTik RouterOS - CVE-2026-67276, CVE-2026-67277 and CVE-2026-86060

Canada's Cyber Centre warns of three exploited MikroTik RouterOS vulnerabilities affecting SSH-exposed devices; CISA added two to its KEV catalog.

The Canadian Centre for Cyber Security issued alert AL26-020 for three MikroTik RouterOS vulnerabilities, especially on devices exposing SSH to the internet: CVE-2026-67277 (missing authentication, CWE-306, enabling sensitive information disclosure), CVE-2026-86060 (argument injection, CWE-88, enabling privilege escalation), and CVE-2026-67276 (improper cryptographic signature verification, CWE-347, allowing SSH command channel access without the private key). On September 10, 2026, CISA added CVE-2026-67277 and CVE-2026-86060 to its Known Exploited Vulnerabilities catalog. Fixed versions include RouterOS 6.49.21, 7.23.4 (Long-Term), 7.24.2 (Stable), and 7.25 beta 3.

Canadian Centre for Cyber Securityupdated · 5d agofirst · 6d agoVulnerability in the wild 2 sourcesCVE-2026-67276CVE-2026-67277CVE-2026-860603· 2 reads

AL26-019 - Vulnerabilities impacting Citrix NetScaler ADC and NetScaler Gateway - CVE-2026-19490 and CVE-2026-19489

Canadian Cyber Centre alerts on Citrix NetScaler ADC/Gateway flaws CVE-2026-19490 (authentication bypass) and CVE-2026-19489 (buffer overflow), urging emergency patching.

The Canadian Centre for Cyber Security issued alert AL26-019 covering two Citrix NetScaler vulnerabilities disclosed in a vendor advisory on August 19, 2026. CVE-2026-19490 (CWE-288) allows a remote unauthenticated attacker to bypass authentication on appliances configured as a Gateway for SSL VPN, ICA Proxy, CVPN, RDP Proxy, or as an AAA virtual server. CVE-2026-19489 (CWE-120) is a classic buffer overflow that may cause memory overflow, unpredictable behavior, or denial-of-service conditions. Affected appliances are vulnerable when configured as a SAML IdP; fixed versions include 14.1-73.32, 13.1-63.21, and 13.1-37.277 for FIPS.

Canadian Centre for Cyber Security · 12d agoAdvisory 3 sourcesCVE-2026-19490CVE-2026-19489

Next.js security advisory (AV26-851)

Canada's Cyber Centre warns Next.js 15.5 and 16.3 are affected by critical vulnerabilities; users should update to 15.5.24 and 16.3.3.

The Canadian Centre for Cyber Security (AV26-851) warns that Next.js versions 15.5 prior to 15.5.24 and 16.3 prior to 16.3.3 are affected by critical vulnerabilities. Administrators are urged to review the vendor advisory and apply the August 2026 security release updates. The bulletin provides no CVE ids or exploitation details.

Canadian Centre for Cyber Security · 21d agoAdvisory

Citrix security advisory (AV26-833) - Update 1

CISA added actively exploited NetScaler flaw CVE-2026-19490 to its KEV catalog; the Canadian Cyber Centre urges Citrix ADC and Gateway admins to patch.

The Canadian Centre for Cyber Security updated advisory AV26-833 covering Citrix NetScaler ADC and Gateway vulnerabilities in versions 13.1 (prior to 13.1-63.21) and 14.1 (prior to 14.1-73.32), plus FIPS builds. On September 9, 2026, CISA added CVE-2026-19490 to the Known Exploited Vulnerabilities catalog, indicating confirmed exploitation. The bulletin also references CVE-2026-19489 from the Citrix NetScaler ADC and Gateway Security Bulletin. Administrators should apply the fixed builds, including 13.1-37.277 and 14.1-73.32 for FIPS variants.

Canadian Centre for Cyber Security · 7d agoExploit / PoC in the wildCVE-2026-19489CVE-2026-19490

GitLab security advisory (AV26-917)

Canada's Cyber Centre warns GitLab versions before 19.1.8, 19.2.6 and 19.3.2 are affected; CISA added CVE-2026-85706 to KEV.

The Canadian Centre for Cyber Security issued advisory AV26-917 on September 11, 2026, warning that GitLab versions prior to 19.1.8, 19.2.6, and 19.3.2 are affected by vulnerabilities. CISA added CVE-2026-85706 to its Known Exploited Vulnerabilities catalog on the same date. The Cyber Centre urges users and administrators to review the advisory links and apply GitLab's critical patch release updates.

Canadian Centre for Cyber Securityupdated · 2d agofirst · 5d agoAdvisory in the wild 18 sourcesCVE-2026-85706

Mikrotik security advisory (AV26-887)

Canada's Cyber Centre urges MikroTik RouterOS updates as CVE-2026-67276, CVE-2026-67277 and CVE-2026-86060 are reported exploited in the wild.

Canadian Centre for Cyber Security advisory AV26-887 covers MikroTik RouterOS vulnerabilities affecting versions prior to 6.49.21, 7.23.4, 7.24.2 and 7.25 beta 3. Open-source reporting indicates CVE-2026-67276, CVE-2026-67277 and CVE-2026-86060 are being exploited in the wild. The Cyber Centre urges users and administrators to review the vendor advisories and apply the necessary updates.

Canadian Centre for Cyber Security · 8d agoAdvisory in the wildCVE-2026-67276CVE-2026-67277CVE-2026-86060

Cisco security advisory (AV26-921)

Canadian Cyber Centre warns actively exploited Cisco Secure Email Gateway SQL injection CVE-2026-76461 was added to CISA's KEV database.

The Canadian Centre for Cyber Security advisory AV26-921 (September 14, 2026) covers a SQL injection vulnerability in Cisco Secure Email Gateway (AsyncOS) and Secure Email and Web Manager. Affected versions include AsyncOS/Secure Email Gateway prior to 15.5.5-014, 16.0.4-302, and 16.5.0-780, and Secure Email and Web Manager prior to 15.5.5-006 and 16.5.0-429. Cisco stated CVE-2026-76461 is being actively exploited, and CISA added it to the Known Exploited Vulnerabilities database the same day. Users and administrators are urged to apply updates as they become available.

Canadian Centre for Cyber Securityupdated · 21h agofirst · 2d agoAdvisory in the wild 17 sourcesCVE-2026-76461

Cisco security advisory (AV26-197) – Update 3

CISA added Cisco CVE-2026-20079 to its KEV catalog; the Canadian Cyber Centre urges updates across Secure Firewall ASA, FTD, FMC, and SCC products.

The Canadian Centre for Cyber Security updated advisory AV26-197 covering March 2026 Cisco advisories for Security Cloud Control, Secure Firewall Management Center, ASA, and FTD. Cisco confirmed CVE-2026-20131 was actively exploited on March 18, 2026, and CISA added it to KEV on March 19. In Update 3, dated September 9, 2026, CISA added CVE-2026-20079 to the KEV catalog. The underlying flaws include FMC authentication bypass and remote code execution, ASA TCP-flood denial of service, and ASA/FTD IPsec denial of service.

Canadian Centre for Cyber Security · 7d agoExploit / PoC in the wildCVE-2026-20131CVE-2026-20079

Adobe security advisory (AV26-888)

Canada's Cyber Centre warns CVE-2026-75650 in Adobe Commerce and Magento Open Source is exploited in the wild; hotfixes and updates are available.

Canadian Centre for Cyber Security advisory AV26-888 (September 8, 2026) covers CVE-2026-75650 in Adobe Commerce, Adobe Commerce B2B and Magento Open Source. Adobe states the vulnerability is being exploited in the wild. Affected versions extend through the August 2026 patch levels across the 2.4.4-2.4.9 branches, with B2B versions 1.3.x-1.5.x also affected. Administrators are urged to apply the available hotfixes and updates.

Canadian Centre for Cyber Security · 8d agoAdvisory in the wild 2 sourcesCVE-2026-75650CVE-2026-7565

Fortinet security advisory (AV26-023) - Update 1

CISA added Fortinet CVE-2025-25249, a heap-based buffer overflow in the cw_acd daemon, to its KEV catalog; Canadian Cyber Centre urges patching.

The Canadian Centre for Cyber Security updated advisory AV26-023, which relays January 2026 Fortinet advisories covering FortiFone, FortiOS, FortiSASE, FortiSIEM, and FortiSwitchManager. On September 9, 2026, CISA added CVE-2025-25249, a heap-based buffer overflow in the cw_acd daemon, to its Known Exploited Vulnerabilities catalog. Related Fortinet flaws include unauthenticated local configuration access (CVE-2025-47855) and unauthenticated remote command injection (CVE-2025-64155). Administrators should review the advisories and apply available updates.

Canadian Centre for Cyber Security · 7d agoExploit / PoC in the wildCVE-2025-25249CVE-2025-47855CVE-2025-64155

Microsoft security advisory – September 2026 monthly rollup (AV26-896) – Update 1

Canada's Cyber Centre relays Microsoft's September 2026 rollup; CISA added exploited zero-days CVE-2026-85880 and CVE-2026-81963 to KEV.

Advisory AV26-896 from the Canadian Centre for Cyber Security summarizes Microsoft's September 2026 monthly security rollup, listing affected products across Windows, Office, .NET, Azure, Exchange and SQL Server. It notes Microsoft confirmed CVE-2026-81963 and CVE-2026-85880 have been exploited. On September 8, 2026, CISA added both CVEs to its Known Exploited Vulnerabilities catalog, and administrators are urged to apply the updates.

Canadian Centre for Cyber Security · 8d agoAdvisory in the wildCVE-2026-81963CVE-2026-858802

PaperCut security advisory (AV26-858) – Update 2

CISA added actively exploited PaperCut MF/NG flaws CVE-2026-81578 and CVE-2026-82078 to KEV; Canada's Cyber Centre urges Emergency Patch Release 2 for v24-v26.

Canada's Cyber Centre updated security advisory AV26-858, noting PaperCut MF and PaperCut NG versions prior to the v24, v25, and v26 Emergency Patch Release 2 are affected by CVE-2026-81578 and CVE-2026-82078. Open-source reporting indicates both vulnerabilities are being exploited in the wild. In Update 2 (August 31, 2026), CISA added both CVEs to its Known Exploited Vulnerabilities catalog, and the Cyber Centre urges administrators to apply the emergency patches immediately.

Canadian Centre for Cyber Security · 16d agoExploit / PoC in the wildCVE-2026-81578CVE-2026-82078

Citrix security advisory (AV26-645) – Update 3

Canada's Cyber Centre updates Citrix advisory as CVE-2026-8451 and CVE-2026-8452 in NetScaler ADC/Gateway are confirmed exploited in the wild.

The Canadian Centre for Cyber Security updated advisory AV26-645 on August 26, 2026, covering critical vulnerabilities in Citrix NetScaler ADC and Gateway (versions 14.1 before 14.1-72.61 and 13.1 before 13.1-63.18, plus FIPS builds). Open-source reporting indicates CVE-2026-8451 and CVE-2026-8452 are being exploited in the wild. Update 3 references related CISA action, and patched builds were released starting June 30, 2026.

Canadian Centre for Cyber Security · 21d agoExploit / PoC in the wildCVE-2026-8451CVE-2026-8452