CVE-2026-42267 Kimai: Formula Injection via tag names in XLSX export

Kimai is an open-source time tracking application. From version 2.27.0 to before version 2.54.0, any ROLEUSER can create a tag with a formula string as its name e.g. =SUM54+51 via POST /api/tags and assign it to a timesheet. When an admin exports timesheets to XLSX, ArrayFormatter.formatValue joi...

CVE-2026-42267 Kimai: Formula Injection via tag names in XLSX export

Kimai is an open-source time tracking application. From version 2.27.0 to before version 2.54.0, any ROLEUSER can create a tag with a formula string as its name e.g. =SUM54+51 via POST /api/tags and assign it to a timesheet. When an admin exports timesheets to XLSX, ArrayFormatter.formatValue joi...

CVE-2026-42267 Kimai: Formula Injection via tag names in XLSX export

Kimai is an open-source time tracking application. From version 2.27.0 to before version 2.54.0, any ROLEUSER can create a tag with a formula string as its name e.g. =SUM54+51 via POST /api/tags and assign it to a timesheet. When an admin exports timesheets to XLSX, ArrayFormatter.formatValue joi...

CVE-2026-42267

Kimai is an open-source time tracking application. From version 2.27.0 to before version 2.54.0, any ROLEUSER can create a tag with a formula string as its name e.g. =SUM54+51 via POST /api/tags and assign it to a timesheet. When an admin exports timesheets to XLSX, ArrayFormatter.formatValue joi...

CVE-2026-42267

Kimai vulnerability CVE-2026-42267 affects Kimai versions 2.27.0 through before 2.54.0. A user with ROLE_USER can create a tag whose name is a formula string (for example =SUM(54+51)) via POST /api/tags and attach it to a timesheet. When an admin exports to XLSX, ArrayFormatter.formatValue() conc...

Brave CMS 跨站脚本漏洞

Brave CMS is a blog and news content management system developed by Razvan Zamfir, based on Laravel. Brave CMS has a cross-site scripting vulnerability, which stems from the fact that the message text entered in the contact form was not escaped properly, potentially allowing for arbitrary tag...

PT-2026-38909

Kavita is a cross platform reading server. Prior to 0.9.0, the download, size-check, and chapter metadata endpoints do not enforce library-level authorization. A low-privileged user who knows or guesses a chapterId, volumeId, or seriesId belonging to a library they are not assigned to can downloa...

Linux Distros Unpatched Vulnerability : CVE-2026-39823

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - CVE-2026-27142 fixed a vulnerability in which URLs were not correctly escaped inside of a tag's attribute. If the URL content were to insert ASCII whitespaces...

EUVD-2026-28424

CVE-2026-27142 fixed a vulnerability in which URLs were not correctly escaped inside of a tag's attribute. If the URL content were to insert ASCII whitespaces around the '=' rune inside of the attribute, the escaper would fail to similarly escape it, leading to XSS...

EUVD-2026-28426

If a trusted template author were to write a tag containing an empty 'type' attribute or a 'type' attribute with an ASCII whitespace, the execution of the template would incorrectly escape any data passed into the block...

Ech0's RSS feed renders unescaped tag names and raw-HTML markdown, stored XSS against subscribers

Summary The public RSS/Atom feed at /rss renders two attacker-controlled surfaces without HTML escaping. Tag names flow through fmt.AppendfrenderedContent, "%s", tag.Name at internal/service/common/common.go:120, and the Markdown renderer at internal/util/md/md.go does not set the html.SkipHTML...

GHSA-3V85-FQVH-7RXF Ech0's RSS feed renders unescaped tag names and raw-HTML markdown, stored XSS against subscribers

Summary The public RSS/Atom feed at /rss renders two attacker-controlled surfaces without HTML escaping. Tag names flow through fmt.AppendfrenderedContent, "%s", tag.Name at internal/service/common/common.go:120, and the Markdown renderer at internal/util/md/md.go does not set the html.SkipHTML...

CVE-2026-39826

If a trusted template author were to write a tag containing an empty 'type' attribute or a 'type' attribute with an ASCII whitespace, the execution of the template would incorrectly escape any data passed into the block...

CVE-2026-39823

CVE-2026-27142 fixed a vulnerability in which URLs were not correctly escaped inside of a tag's attribute. If the URL content were to insert ASCII whitespaces around the '=' rune inside of the attribute, the escaper would fail to similarly escape it, leading to XSS...

DEBIAN-CVE-2026-39826

If a trusted template author were to write a tag containing an empty 'type' attribute or a 'type' attribute with an ASCII whitespace, the execution of the template would incorrectly escape any data passed into the block...

CVE-2026-39823

CVE-2026-27142 fixed a vulnerability in which URLs were not correctly escaped inside of a tag's attribute. If the URL content were to insert ASCII whitespaces around the '=' rune inside of the attribute, the escaper would fail to similarly escape it, leading to XSS...

UBUNTU-CVE-2026-39826

If a trusted template author were to write a tag containing an empty 'type' attribute or a 'type' attribute with an ASCII whitespace, the execution of the template would incorrectly escape any data passed into the block...

UBUNTU-CVE-2026-39823

CVE-2026-27142 fixed a vulnerability in which URLs were not correctly escaped inside of a tag's attribute. If the URL content were to insert ASCII whitespaces around the '=' rune inside of the attribute, the escaper would fail to similarly escape it, leading to XSS...

CVE-2026-39826

If a trusted template author were to write a tag containing an empty 'type' attribute or a 'type' attribute with an ASCII whitespace, the execution of the template would incorrectly escape any data passed into the block...

CVE-2026-39826

CVE-2026-39826 corresponds to an escaper bypass in Go’s html/template that can allow data inside a [removed] block to be incorrectly escaped if a trusted template author uses a [removed] tag with an empty or whitespace-only type attribute. This is described across multiple feeds (NVD, EUVD, Debia...