CVE-2026-35341

HIGHNVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-04-22. NVD baseline CVSS 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability in uutils coreutils mkfifo allows for the unauthorized modification of permissions on existing files. When mkfifo fails to create a FIFO because a file already exists at the target path, it fails to terminate the operation for that path and continues to execute a follow-up set_permissions call. This results in the existing file's permissions being changed to the default mode (often 644 after umask), potentially exposing sensitive files such as SSH private keys to other users on the system.

CVSS v3
7.1
EG Score
7.1(medium)
EPSS
6.1%
KEV
Not listed

Published

April 22, 2026

Last Modified

April 24, 2026

Advisory Details (1)

Auto-updated Jun 14, 2026
No patch confirmed yet.
generic

mkfifo TOCTOU race via path-based chmod · Issue #10020 · uutils/coreutils · GitHub

https://github.com/uutils/coreutils/issues/10020

Vendor Advisories for CVE-2026-35341(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
rustcoreutils—ghsa

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)
crates.io(1)
PackageVulnerable rangeFixed inDependents
coreutils———

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 44× 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.

Showing the most recent 100 of 118 total refreshes for this CVE.

  1. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-09 19:10 UTCEPSS rescore
  3. 2026-07-08 15:15 UTCEPSS rescore
  4. 2026-07-07 13:46 UTCEPSS rescore
  5. 2026-07-06 16:27 UTCEPSS rescore
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  7. 2026-07-05 02:30 UTCEPSS rescore
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  9. 2026-07-01 15:06 UTCEPSS rescore
  10. 2026-06-30 23:22 UTCEPSS rescore
  11. 2026-06-29 14:06 UTCEPSS rescore
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  13. 2026-06-28 14:07 UTCEPSS rescore
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  15. 2026-06-28 04:56 UTCEPSS rescore
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  17. 2026-06-27 03:08 UTCEPSS rescore
  18. 2026-06-25 13:49 UTCEPSS rescore
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  20. 2026-06-24 14:05 UTCEPSS rescore
  21. 2026-06-23 21:33 UTCEPSS rescore
  22. 2026-06-23 21:33 UTCEPSS rescore
  23. 2026-06-22 14:25 UTCEPSS rescore
  24. 2026-06-22 14:25 UTCEPSS rescore
  25. 2026-06-21 14:56 UTCEPSS rescore
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  1. 2026-06-21 14:56 UTCEPSS rescore
  2. 2026-06-21 01:59 UTCEPSS rescore
  3. 2026-06-19 19:25 UTCEPSS rescore
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  5. 2026-06-18 17:52 UTCEPSS rescore
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  7. 2026-06-17 17:53 UTCEPSS rescore
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  9. 2026-06-15 17:49 UTCEPSS rescore
  10. 2026-06-15 02:38 UTCEG score recompute
  11. 2026-06-15 02:38 UTCGHSA enrichment
  12. 2026-06-14 23:18 UTCEPSS rescore
  13. 2026-06-14 12:34 UTCEG score recompute
  14. 2026-06-14 12:34 UTCGHSA enrichment
  15. 2026-06-13 23:00 UTCEPSS rescore
  16. 2026-06-12 23:12 UTCEPSS rescore
  17. 2026-06-12 23:12 UTCEPSS rescore
  18. 2026-06-12 03:53 UTCEG score recompute
  19. 2026-06-12 03:53 UTCGHSA enrichment
  20. 2026-06-11 14:41 UTCEG score recompute
  21. 2026-06-11 14:41 UTCGHSA enrichment
  22. 2026-06-10 19:15 UTCEG score recompute
  23. 2026-06-10 19:15 UTCGHSA enrichment
  24. 2026-06-10 13:22 UTCEPSS rescore
  25. 2026-06-10 06:03 UTCEG score recompute
  26. 2026-06-10 06:03 UTCGHSA enrichment
  27. 2026-06-09 16:51 UTCEG score recompute
  28. 2026-06-09 16:51 UTCGHSA enrichment
  29. 2026-06-09 03:39 UTCEG score recompute
  30. 2026-06-09 03:39 UTCGHSA enrichment
  31. 2026-06-08 14:17 UTCEPSS rescore
  32. 2026-06-08 14:17 UTCEPSS rescore
  33. 2026-06-08 02:01 UTCEG score recompute
  34. 2026-06-08 02:01 UTCGHSA enrichment
  35. 2026-06-07 15:25 UTCEPSS rescore
  36. 2026-06-07 15:25 UTCEPSS rescore
  37. 2026-06-07 15:25 UTCEPSS rescore
  38. 2026-06-07 12:47 UTCEG score recompute
  39. 2026-06-07 12:47 UTCGHSA enrichment
  40. 2026-06-06 23:35 UTCEG score recompute
  41. 2026-06-06 23:35 UTCGHSA enrichment
  42. 2026-06-06 13:47 UTCEPSS rescore
  43. 2026-06-06 13:47 UTCEPSS rescore
  44. 2026-06-06 07:55 UTCEG score recompute
  45. 2026-06-06 07:55 UTCGHSA enrichment
  46. 2026-06-05 22:47 UTCEPSS rescore
  47. 2026-06-05 22:47 UTCEPSS rescore
  48. 2026-06-05 18:39 UTCEG score recompute
  49. 2026-06-05 18:39 UTCGHSA enrichment
  50. 2026-06-05 06:10 UTCEPSS rescore
  51. 2026-06-05 06:10 UTCEPSS rescore
  52. 2026-06-05 05:24 UTCEG score recompute
  53. 2026-06-05 05:24 UTCGHSA enrichment
  54. 2026-06-04 15:00 UTCEG score recompute
  55. 2026-06-04 15:00 UTCGHSA enrichment
  56. 2026-06-04 13:12 UTCEPSS rescore
  57. 2026-06-04 13:12 UTCEPSS rescore
  58. 2026-06-04 01:46 UTCEG score recompute
  59. 2026-06-04 01:46 UTCGHSA enrichment
  60. 2026-06-03 12:31 UTCEG score recompute
  61. 2026-06-03 12:31 UTCGHSA enrichment
  62. 2026-06-02 20:13 UTCEPSS rescore
  63. 2026-06-02 17:21 UTCEG score recompute
  64. 2026-06-02 17:21 UTCGHSA enrichment
  65. 2026-06-02 04:08 UTCEG score recompute
  66. 2026-06-02 04:08 UTCGHSA enrichment
  67. 2026-06-01 14:45 UTCEG score recompute
  68. 2026-06-01 14:44 UTCGHSA enrichment
  69. 2026-06-01 13:52 UTCEPSS rescore
  70. 2026-06-01 13:52 UTCEPSS rescore
  71. 2026-06-01 13:51 UTCEPSS rescore
  72. 2026-05-31 22:30 UTCEPSS rescore
  73. 2026-05-31 22:30 UTCEPSS rescore
  74. 2026-05-31 00:16 UTCEPSS rescore
  75. 2026-05-31 00:16 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-35341?
CVE-2026-35341 is a high vulnerability published on April 22, 2026. A vulnerability in uutils coreutils mkfifo allows for the unauthorized modification of permissions on existing files. When mkfifo fails to create a FIFO because a file already exists at the target path, it fails to terminate the operation for that path and continues to execute a follow-up…
When was CVE-2026-35341 disclosed?
CVE-2026-35341 was first published in the National Vulnerability Database on April 22, 2026, with the most recent update on April 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-35341 actively exploited?
CVE-2026-35341 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-35341?
CVE-2026-35341 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-35341?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-35341, 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

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