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Verification
VERIFIEDConfidence: HIGH
Source identified
Claims cross-referenced
No discrepancies found
Fact-check summary

Verified by quality watch 2026-10-14 2:24 PM AST against NVD API: 153 Junos CVEs published Oct 14, status Received (no NVD score); Juniper CNA rates 15 at 9.8 v3.1 (v4.0 9.3; CVE-2026-33789 9.2). Fixed false NVD-critical claim, garbled CNA sentence, '11 critical' undercount, and tweet claim that all attacks are unauthenticated.

1 caveat
  • ▲Article states eleven CVEs at 9.8 while individual records show mixed 9.8/9.3 scores across v3.1 and v4.0; exact total of eleven not independently tallied in secondary sources.
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Home/Tech/Juniper patches critical Junos flaws, including root access via J-Web
VERIFIEDBy Xavier Rivera·Wednesday, October 14, 2026 at 2:31 PM EDT·1.5 min read

Juniper patches critical Junos flaws, including root access via J-Web

Juniper Networks disclosed more than 150 Junos OS and Evolved vulnerabilities, at least 15 rated 9.8 by Juniper. Critical issues include unauthenticated root access through J-Web and buffer overflows in routing and service daemons.

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Juniper patches critical Junos flaws, including root access via J-Web
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TL;DRAI · 60 sec read

Juniper disclosed more than 150 Junos OS and Junos OS Evolved CVEs on October 14, at least 15 rated 9.8 by Juniper under CVSS 3.1. They include CVE-2026-101956 and CVE-2026-101986, which let unauthenticated attackers run commands or CGI content with elevated privileges via J-Web. Buffer overflows in routing and service daemons can allow root code execution or denial of service. NVD has not scored them yet.

Juniper Networks disclosed more than 150 Junos OS and Junos OS Evolved vulnerabilities on October 14, including at least 15 that it rates critical at 9.8. This story covers 11 of them.

Juniper rates each of these 9.8 under CVSS 3.1. Juniper is the CVE numbering authority for its products and scores them 9.3 under CVSS 4.0, except CVE-2026-33789 at 9.2. NVD has not yet published its own scores.
CVE-2026-101956 enables an unauthenticated remote attacker to run arbitrary Junos commands at root level via the J-Web interface.

Multiple attack vectors allow remote code execution. CVE-2026-101956 enables an unauthenticated remote attacker to run arbitrary Junos commands at root level via the J-Web interface. CVE-2026-101986 lets an unauthenticated network attacker bypass J-Web authentication and run CGI content at elevated privileges with a crafted HTTP request.
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Buffer overflow flaws affect routing and service daemons. CVE-2026-101990, CVE-2026-102175, CVE-2026-102178, CVE-2026-33789, CVE-2026-33792, and CVE-2026-33796 cover stack-based and heap-based buffer overflows in the routing protocol daemon, sdxd service-deployment daemon, BGP routing daemon, srxpfe process, and kmd component. Several allow remote code execution as root or denial of service; some of the routing-daemon flaws require the attacker to be a configured BGP peer.
CVE-2026-101986 lets an unauthenticated network attacker bypass J-Web authentication and run CGI content at elevated privileges with a crafted HTTP request.
Additional issues target specific configurations. CVE-2026-101950 involves a heap-based buffer overflow in the SVR component on SRX Series triggered by malformed IPv4 packets. CVE-2026-101980 covers an integer underflow in the kernel that crashes the system when Extended Echo is active. CVE-2026-102182 affects the kmd component on MX Series via crafted IKE certificate packets.
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Broad version ranges are listed as affected. The flaws touch releases from 0 through 23.2R2-S7.7 and later branches plus matching EVO versions and selected X100 and X300 lines. Four Juniper advisories (JSA112186, JSA112187, JSA112188, JSA112196) supply the details.
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