CVE WatchNov 11, 2026

CVE-2026-126170

A improper encoding or escaping of output vulnerability in Fortinet FortiAnalyzer 8.0.0 through 8.0.2, FortiAnalyzer 7.6.0 through 7.6.7, Fo

CVSS

9.8

Critical

EPSS

—

KEV

—

Exploit Today

—

0-100

Published: Nov 11, 2026 · Last modified: Nov 11, 2026 · CWE-116

EPSS · 30d

Not enough EPSS history yet.

Technical description

A improper encoding or escaping of output vulnerability in Fortinet FortiAnalyzer 8.0.0 through 8.0.2, FortiAnalyzer 7.6.0 through 7.6.7, FortiAnalyzer Cloud 8.0.1 through 8.0.2, FortiAnalyzer Cloud 7.6.0 through 7.6.7, FortiAnalyzer-BigData 7.6.0 through 7.6.2, FortiManager 8.0.0 through 8.0.2, FortiManager 7.6.0 through 7.6.7, FortiManager Cloud 8.0.1 through 8.0.2, FortiManager Cloud 7.6.0 through 7.6.7 may allow an unauthenticated attacker to execute unauthorized code or commands via a specially crafted HTTP request

Official references

fortiguard.fortinet.comhttps://fortiguard.fortinet.com/psirt/FG-IR-26-219

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2026-646717.2 HIG

12.8%

——4Waline is a comment system with backend support. In versions 3.15.2 and prior, the @waline/client UserList widget builds its DOM by concatenating server-returned commenter fields directly into root.innerHTML with no HTML escaping. The commenter nick and link are stored and returned verbatim by the server (only the comment body is sanitized), and the link field is never sent to the spam filter. So an unauthenticated visitor who posts a comment with link = x"><img src=x onerror=...> achieves stored cross-site scripting that executes, with no interaction, in the browser of every visitor to a page that embeds the UserList widget. At time of publication, there are no publicly available patches.21h CVE-2026-646709.3 CRI

30.1%

——9Waline is a comment system with backend support. In versions 3.15.2 and prior, @waline/client renders the comment editor's live preview with marked and no sanitizer (utils/markdown.ts), and the preview is injected with v-html. When a comment is edited, the editor is seeded with the comment's raw, un-sanitized body (orig). Only administrators and the comment owner can edit. So an administrator who clicks Edit on an attacker's comment renders that attacker's raw HTML in their own session: an unauthenticated commenter achieves privilege-escalation stored XSS against a moderator with a single Edit click. At time of publication, there are no publicly available patches.21h CVE-2026-92558—

38.6%

——12The proxy-cache and proxy-cache-advanced plugins in Kong Gateway Enterprise and Kong AI Gateway do not escape separator characters when building the cache key, allowing a remote attacker to cause a response cached for one request to be served for a different request on the same Route.1d CVE-2026-126063—

47.1%

——14Nokogiri is an open source XML and HTML library for the Ruby programming language. From 1.12.0 until 1.19.5, the C extension on CRuby and TruffleRuby has a Nokogiri::HTML5 serializer that does not escape text inside noscript elements or angle brackets inside attribute values. When an application sanitizes untrusted HTML with the default parsing options, allows noscript, and sends serialized output to a scripting-enabled browser, the browser can parse markup that Nokogiri did not produce, enabling mutation cross-site scripting. Using parse_noscript_content_as_text: true is the recommended workaround, not the vulnerable default. JRuby is not affected because it does not implement Nokogiri::HTML5. This issue is fixed in version 1.19.5.1d CVE-2026-1094766.1 MED

51.0%

——15Improper encoding or escaping of output in ASP.NET Core allows an unauthorized attacker to disclose information over a network.1d CVE-2026-120326—

14.5%

——4DownloadEvent.setFileName(String) in Vaadin Flow writes the download file name into the Content-Disposition header without escaping it. When the name is pure US-ASCII the header is built as attachment; filename="<name>" with the name inserted verbatim, so a double quote in the name ends the quoted string early and the rest of the name is read by the browser as further header parameters. The inline(String) variant, present from Vaadin 25.0, builds the name the same way. An application that passes an untrusted file name to either method, for example when re-serving a file under the name it was uploaded with, lets an attacker add a filename* parameter. Browsers prefer filename* over filename, so the file is saved under a name and extension of the attacker's choosing, which defeats any file name or extension restriction the application enforces. The attacker cannot change the attachment or inline disposition itself and cannot split the header. Users of affected versions should apply the following mitigation or upgrade. Releases that have fixed this issue include: Product version Vaadin 24.8.0 - 24.8.17 Vaadin 24.9.0 - 24.9.25 Vaadin 24.10.0 - 24.10.13 Vaadin 25.0.0 - 25.0.13 Vaadin 25.1.0 - 25.1.13 Vaadin 25.2.0 - 25.2.12 Vaadin 25.3.0 - 25.3.4 Mitigation No fixed release on this line, upgrade to 24.9.26 or newer Upgrade to 24.9.26 Upgrade to 24.10.14 No fixed release on this line, upgrade to 25.2.13 or newer No fixed release on this line, upgrade to 25.2.13 or newer Upgrade to 25.2.13 Upgrade to 25.3.5 Vaadin versions below 24.8 are not affected: the DownloadEvent API does not exist in them.2d