Patchfirst
CVE-2026-101983 Critical · 9.8 EPSS 0.5%

A Stack-based Buffer Overflow vulnerability in the httpd process of Juniper Networks Junos OS and Junos OS Evolved…

Juniper Networks · Junos OS

Summary

A stack-based buffer overflow in the httpd process of Juniper Networks Junos OS and Junos OS Evolved affects the J-Web web management interface. An unauthenticated attacker with network access can trigger remote code execution or denial of service when J-Web is configured with a virtual domain.

Official description · NVD

A Stack-based Buffer Overflow vulnerability in the httpd process of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network attacker to cause remote code execution and denial of service via a J-Web virtual-domain configured.

Breakdown
18.1 / 100
Exploited
Not confirmed
Reports
0
Tactics
0/15

Disclosed on 14 Oct 2026. No public exploit code or confirmed exploitation is recorded.

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

Also mentioned in 8 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

1 link, grouped by NVD tag
↑ ↓ chooseEnter openEsc close