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.
CVE-2026-41073
This medium-severity CVE scores 4.6 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 94% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.6
- EG Score
- 4.6(medium)
- EG Risk
- 21(Track)EG Risk 21/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity46% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 6.2%
- KEV
- Not listed
Published
May 22, 2026
Last Modified
July 23, 2026
Advisory Details (3)
Auto-updated Jun 15, 2026Spreadsheet downloads vulnerable to CSV/formula injection in Microsoft Excel and similar apps · Advisory · bestpractical/rt · GitHub
https://github.com/bestpractical/rt/security/advisories/GHSA-6x92-7v65-7m3rrt-6.0.3
Patch available: bestpractical/rt rt-6.0.3
https://github.com/bestpractical/rt/releases/tag/rt-6.0.3rt-5.0.10
Patch available: bestpractical/rt rt-5.0.10
https://github.com/bestpractical/rt/releases/tag/rt-5.0.10Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 34× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-23 03:11 UTCEG score recompute
- 2026-07-22 14:08 UTCEPSS rescore
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- 2026-07-17 04:24 UTCOSV refresh
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- 2026-06-30 23:22 UTCEPSS rescore
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- 2026-05-31 22:30 UTCEPSS rescore
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- 2026-05-29 13:44 UTCEPSS rescore
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- 2026-05-27 13:40 UTCEPSS rescore
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- 2026-05-26 13:44 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-23 03:58 UTCEG score recompute
Frequently asked(5)
What is CVE-2026-41073?
When was CVE-2026-41073 disclosed?
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What is the CVSS score of CVE-2026-41073?
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-41073
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