What is CVE-2026-90835?
A flaw has been found in michaelliao itranswarp up to 2.19. The impacted element is the function Markdown.toHtml of the file Markdown.java of the component Page Content Rendering. This manipulation causes cross site scripting. The attack may be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet. This vulnerability only affects products that are no longer supported by the maintainer.
The record classifies CVE-2026-90835 under weakness classes CWE-79, CWE-94. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs a user to take an action first. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 21 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 3.5 — LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R - CVSS v4.0 base score
- 5.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P - EPSS (FIRST)
- 0.1% probability of exploitation in the next 30 days, higher than 9.8% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 2.1/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-09-14, last modified 2026-09-15
Is CVE-2026-90835 being exploited?
It currently carries a trending score of 32 in the Threadlinqs vulnerability feed.
Affected products and versions
- michaelliao: itranswarp
How to fix CVE-2026-90835
No vendor patch reference has been recorded for CVE-2026-90835 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-90835
No threat campaign in the Threadlinqs corpus currently references CVE-2026-90835, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.
Sources
Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on .