An Improper Authentication vulnerability in J-Web of Juniper Networks Junos OS and Junos OS Evolved allows an…
Juniper Networks · Junos OS
The flaw is an improper authentication weakness in J-Web, the web management interface of Juniper Networks Junos OS and Junos OS Evolved. An unauthenticated attacker with network access can send a crafted HTTP request to bypass J-Web authentication and run CGI content with elevated privileges, with no user interaction or prior credentials required.
An Improper Authentication vulnerability in J-Web of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network attacker to bypass J-Web authentication and execute CGI content with elevated privileges via a crafted HTTP request.
- Exploited
- Not confirmed
- Reports
- 0
- Tactics
- 0/15
Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
Disclosed on 14 Oct 2026. No public exploit code or confirmed exploitation is recorded.
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
No techniques linkedNo 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 yetAlso mentioned in 8 community threat pulses (AlienVault OTX)
Weaker evidencePulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.
- Known_Cve | Oct 23, 2026 | Part 1/322 Oct 2026
- Known_Cve | Oct 22, 2026 | Part 2/421 Oct 2026
- Known_Cve | Oct 21, 2026 | Part 3/420 Oct 2026
- Known_Cve | Oct 20, 2026 | Part 3/419 Oct 2026
- Known_Cve | Oct 19, 2026 | Part 3/418 Oct 2026
- Known_Cve | Oct 18, 2026 | Part 3/417 Oct 2026
- 2 more on OTX