CVE-2026-41073— RT: Spreadsheet downloads vulnerable to CSV/formula injection in Microsoft Excel and similar apps
Possible ATT&CK Techniques 2AI
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I. Basic Information for CVE-2026-41073
Vulnerability Information
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Vulnerability Title
RT: Spreadsheet downloads vulnerable to CSV/formula injection in Microsoft Excel and similar apps
Source: NVD (National Vulnerability Database)
Vulnerability Description
RT is an open source, enterprise-grade issue and ticket tracking system. Versions prior to 5.0.10 and 6.0.0 through 6.0.2 contain a spreadsheet (CSV/formula) injection vulnerability. User-controlled data in spreadsheet exports is not sanitized before being written to the output file, which can cause spreadsheet applications to interpret crafted values as formulas or macros when the file is opened. This issue has been fixed in versions 5.0.10 and 6.0.3. If developers are unable to upgrade immediately, they can temporarily work around this issue by avoiding opening exported RT spreadsheet files directly in spreadsheet applications when the data may contain untrusted user input.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1236
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| bestpractical | rt | < 5.0.10 | - |
II. Public POCs for CVE-2026-41073
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-41073 (1)
Vendor Pages for CVE-2026-41073 (2)
- Release rt-6.0.3 · bestpractical/rt · GitHubx_refsource_MISC
- Release rt-5.0.10 · bestpractical/rt · GitHubx_refsource_MISC
Same Patch Batch · bestpractical · 2026-05-22 · 4 CVEs total
| CVE-2026-41075 | 8.8 HIGH | RT: SQL injection via entry_aggregator parameter in JSON search |
| CVE-2026-41076 | 8.1 HIGH | RT: LDAP authentication bypass via empty password |
| CVE-2026-41074 | 7.1 HIGH | RT has broken CSRF protection for authenticated users |
IV. Related Vulnerabilities
Same vendor: bestpractical
Same weakness: CWE-1236
- CVE-2026-35157
Dell ECS和Dell ObjectScale 安全漏洞 - CVE-2026-42267
Kimai: Formula Injection via tag names in XLSX export - CVE-2026-27644
traccar allows CSV formula injection via exported position d - CVE-2023-54348
ERPGo SaaS 3.9 CSV Injection via Vendor Creation - CVE-2026-39424
MaxKB has CSV Injection in its Application Chat Export Funct
V. Comments for CVE-2026-41073
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