CVE-2026-9673

MEDIUMPre-NVD 6.86.8
EchelonGraph scoreMEDIUM confidence

Score 6.8 from GitHub Security Advisory published 2026-05-28. a secondary CVSS source baseline 6.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
6.8
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.8Exploit: NoneExposed: 0

A fix is available — apply it.

Versions of the package json-2-csv from 3.15.0 and before 5.5.11 are vulnerable to CSV Injection via the preventCsvInjection option which can be bypassed. An attacker can inject formulas into CSV files, which execute when the files are opened in spreadsheet applications.

CVSS v3
6.8
EG Score
6.8(medium)
EPSS
6.3%
KEV
Not listed

Published

May 28, 2026

Last Modified

July 14, 2026

Advisory Details (3)

Auto-updated May 29, 2026
⚠️ Active exploitation confirmed. Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic🔴 Active Exploitation

CSV Injection in json-2-csv | CVE-2026-9673 | Snyk

https://security.snyk.io/vuln/SNYK-JS-JSON2CSV-14221326
github_commit

commit 0fdd0bb6d027 (mrodrig/json-2-csv)

Fix landed in mrodrig/json-2-csv commit 0fdd0bb6d027 — awaiting tagged release

https://github.com/mrodrig/json-2-csv/commit/0fdd0bb6d0273178cd940afc323ccbce19688229
generic🟡 PoC Available

json-2-csv-injection-bypass.md · GitHub

https://gist.github.com/whoamins/299745a2d36b482b44e9613b78e40613

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatrhdh/rhdh-hub-rhel9:17834481842026-07-08redhat
redhatrhdh/rhdh-hub-rhel9:17827612442026-06-30redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
json-2-csv5.5.11

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 42× 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.

  1. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-21 15:25 UTCEPSS rescore
  3. 2026-07-21 15:25 UTCEPSS rescore
  4. 2026-07-20 17:08 UTCEPSS rescore
  5. 2026-07-19 14:31 UTCEPSS rescore
  6. 2026-07-19 02:29 UTCEPSS rescore
  7. 2026-07-16 17:03 UTCEPSS rescore
  8. 2026-07-15 16:57 UTCEPSS rescore
  9. 2026-07-15 02:00 UTCEPSS rescore
  10. 2026-07-14 15:40 UTCMITRE cvelistV5CVSS v4 → 7
  11. 2026-07-13 22:31 UTCEPSS rescore
  12. 2026-07-13 06:13 UTCEPSS rescore
  13. 2026-07-12 05:46 UTCEPSS rescore
  14. 2026-07-11 21:42 UTCVendor advisory
  15. 2026-07-11 08:27 UTCEPSS rescore
  16. 2026-07-09 19:10 UTCEPSS rescore
  17. 2026-07-08 22:48 UTCVendor advisory
  18. 2026-07-08 15:16 UTCEPSS rescore
  19. 2026-07-07 13:46 UTCEPSS rescore
  20. 2026-07-06 16:27 UTCEPSS rescore
  21. 2026-07-06 02:23 UTCEPSS rescore
  22. 2026-07-05 02:31 UTCEPSS rescore
  23. 2026-07-04 06:31 UTCEPSS rescore
  24. 2026-07-03 16:27 UTCNVD updateCVSS v4 → 5.5
  25. 2026-07-02 14:36 UTCVendor advisory
Show 62 more
  1. 2026-07-01 15:07 UTCEPSS rescore
  2. 2026-07-01 03:34 UTCVendor advisory
  3. 2026-07-01 03:34 UTCGHSA enrichment
  4. 2026-06-30 23:22 UTCEPSS rescore
  5. 2026-06-30 02:19 UTCGHSA enrichment
  6. 2026-06-29 14:06 UTCEPSS rescore
  7. 2026-06-29 00:27 UTCGHSA enrichment
  8. 2026-06-28 14:07 UTCEPSS rescore
  9. 2026-06-28 04:56 UTCEPSS rescore
  10. 2026-06-27 23:44 UTCGHSA enrichment
  11. 2026-06-27 03:08 UTCEPSS rescore
  12. 2026-06-26 23:29 UTCGHSA enrichment
  13. 2026-06-25 23:15 UTCGHSA enrichment
  14. 2026-06-25 13:50 UTCEPSS rescore
  15. 2026-06-24 23:00 UTCGHSA enrichment
  16. 2026-06-24 14:05 UTCEPSS rescore
  17. 2026-06-23 21:33 UTCEPSS rescore
  18. 2026-06-22 14:25 UTCEPSS rescore
  19. 2026-06-21 14:56 UTCEPSS rescore
  20. 2026-06-21 01:59 UTCEPSS rescore
  21. 2026-06-19 19:26 UTCEPSS rescore
  22. 2026-06-18 17:52 UTCEPSS rescore
  23. 2026-06-17 17:53 UTCEPSS rescore
  24. 2026-06-17 05:11 UTCGHSA enrichment
  25. 2026-06-16 17:53 UTCEPSS rescore
  26. 2026-06-16 04:56 UTCGHSA enrichment
  27. 2026-06-15 17:49 UTCEPSS rescore
  28. 2026-06-15 04:41 UTCGHSA enrichment
  29. 2026-06-14 23:18 UTCEPSS rescore
  30. 2026-06-14 04:27 UTCGHSA enrichment
  31. 2026-06-13 23:00 UTCEPSS rescore
  32. 2026-06-13 04:12 UTCGHSA enrichment
  33. 2026-06-12 23:12 UTCEPSS rescore
  34. 2026-06-12 23:12 UTCEPSS rescore
  35. 2026-06-12 03:55 UTCGHSA enrichment
  36. 2026-06-11 14:00 UTCEPSS rescore
  37. 2026-06-11 03:40 UTCGHSA enrichment
  38. 2026-06-10 22:19 UTCEPSS rescore
  39. 2026-06-10 13:22 UTCEPSS rescore
  40. 2026-06-10 03:26 UTCGHSA enrichment
  41. 2026-06-09 03:11 UTCGHSA enrichment
  42. 2026-06-08 14:17 UTCEPSS rescore
  43. 2026-06-08 02:56 UTCGHSA enrichment
  44. 2026-06-07 15:25 UTCEPSS rescore
  45. 2026-06-07 02:42 UTCGHSA enrichment
  46. 2026-06-06 13:47 UTCEPSS rescore
  47. 2026-06-06 02:27 UTCGHSA enrichment
  48. 2026-06-05 22:47 UTCEPSS rescore
  49. 2026-06-05 06:10 UTCEPSS rescore
  50. 2026-06-05 02:13 UTCGHSA enrichment
  51. 2026-06-04 13:12 UTCEPSS rescore
  52. 2026-06-04 01:59 UTCGHSA enrichment
  53. 2026-06-03 01:44 UTCGHSA enrichment
  54. 2026-06-02 20:13 UTCEPSS rescore
  55. 2026-06-02 01:30 UTCGHSA enrichment
  56. 2026-06-01 13:52 UTCEPSS rescore
  57. 2026-06-01 01:16 UTCGHSA enrichment
  58. 2026-05-31 22:30 UTCEPSS rescore
  59. 2026-05-31 00:16 UTCEPSS rescore
  60. 2026-05-29 13:44 UTCEPSS rescore
  61. 2026-05-28 13:44 UTCEPSS rescore
  62. 2026-05-28 05:59 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-9673?
CVE-2026-9673 is a medium vulnerability published on May 28, 2026. Versions of the package json-2-csv from 3.15.0 and before 5.5.11 are vulnerable to CSV Injection via the preventCsvInjection option which can be bypassed. An attacker can inject formulas into CSV files, which execute when the files are opened in spreadsheet applications.
When was CVE-2026-9673 disclosed?
CVE-2026-9673 was first published in the National Vulnerability Database on May 28, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9673 actively exploited?
CVE-2026-9673 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9673?
CVE-2026-9673 has a CVSS v4.0 base score of 6.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-9673?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9673, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-9673

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