CVE-2026-35352

HIGHNVD 7.07.0—
EchelonGraph scoreMEDIUM confidence

Score 7.0 from GitHub Security Advisory (severity: HIGH) published 2026-04-22. NVD baseline CVSS 7.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.0Exploit: NoneExposed: 0

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

A Time-of-Check to Time-of-Use (TOCTOU) race condition exists in the mkfifo utility of uutils coreutils. The utility creates a FIFO and then performs a path-based chmod to set permissions. A local attacker with write access to the parent directory can swap the newly created FIFO for a symbolic link between these two operations. This redirects the chmod call to an arbitrary file, potentially enabling privilege escalation if the utility is run with elevated privileges.

CVSS v3
7.0
EG Score
7.0(medium)
EPSS
4.4%
KEV
Not listed

Published

April 22, 2026

Last Modified

May 4, 2026

Advisory Details (2)

Auto-updated May 4, 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
generic

oss-security - Re: uutils coreutils CVEs

http://www.openwall.com/lists/oss-security/2026/05/04/4

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 8× in last 7d / 43× 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 125 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
  6. 2026-07-06 16:27 UTCEPSS rescore
  7. 2026-07-06 02:23 UTCEPSS rescore
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-05 02:30 UTCEPSS rescore
  10. 2026-07-04 06:31 UTCEPSS rescore
  11. 2026-07-01 15:06 UTCEPSS rescore
  12. 2026-06-30 23:22 UTCEPSS rescore
  13. 2026-06-29 14:06 UTCEPSS rescore
  14. 2026-06-29 14:06 UTCEPSS rescore
  15. 2026-06-28 14:07 UTCEPSS rescore
  16. 2026-06-28 14:07 UTCEPSS rescore
  17. 2026-06-28 04:56 UTCEPSS rescore
  18. 2026-06-28 04:56 UTCEPSS rescore
  19. 2026-06-27 03:08 UTCEPSS rescore
  20. 2026-06-25 13:49 UTCEPSS rescore
  21. 2026-06-25 13:49 UTCEPSS rescore
  22. 2026-06-24 14:05 UTCEPSS rescore
  23. 2026-06-23 21:33 UTCEPSS rescore
  24. 2026-06-23 21:33 UTCEPSS rescore
  25. 2026-06-22 14:25 UTCEPSS rescore
Show 75 more
  1. 2026-06-22 14:25 UTCEPSS rescore
  2. 2026-06-21 14:56 UTCEPSS rescore
  3. 2026-06-21 14:56 UTCEPSS rescore
  4. 2026-06-21 01:59 UTCEPSS rescore
  5. 2026-06-19 19:25 UTCEPSS rescore
  6. 2026-06-19 19:25 UTCEPSS rescore
  7. 2026-06-18 17:52 UTCEPSS rescore
  8. 2026-06-18 17:52 UTCEPSS rescore
  9. 2026-06-17 17:53 UTCEPSS rescore
  10. 2026-06-16 17:52 UTCEPSS rescore
  11. 2026-06-15 17:49 UTCEPSS rescore
  12. 2026-06-15 02:38 UTCEG score recompute
  13. 2026-06-15 02:38 UTCGHSA enrichment
  14. 2026-06-14 23:18 UTCEPSS rescore
  15. 2026-06-14 12:34 UTCEG score recompute
  16. 2026-06-14 12:34 UTCGHSA enrichment
  17. 2026-06-12 23:12 UTCEPSS rescore
  18. 2026-06-12 23:12 UTCEPSS rescore
  19. 2026-06-12 02:03 UTCEG score recompute
  20. 2026-06-12 02:03 UTCGHSA enrichment
  21. 2026-06-11 14:40 UTCEG score recompute
  22. 2026-06-11 14:40 UTCGHSA enrichment
  23. 2026-06-11 14:00 UTCEPSS rescore
  24. 2026-06-10 22:18 UTCEPSS rescore
  25. 2026-06-10 13:41 UTCEG score recompute
  26. 2026-06-10 13:41 UTCGHSA enrichment
  27. 2026-06-10 13:22 UTCEPSS rescore
  28. 2026-06-10 02:20 UTCEG score recompute
  29. 2026-06-10 02:20 UTCGHSA enrichment
  30. 2026-06-09 14:59 UTCEG score recompute
  31. 2026-06-09 14:59 UTCGHSA enrichment
  32. 2026-06-09 03:39 UTCEG score recompute
  33. 2026-06-09 03:39 UTCGHSA enrichment
  34. 2026-06-08 14:17 UTCEPSS rescore
  35. 2026-06-08 14:17 UTCEPSS rescore
  36. 2026-06-08 04:48 UTCEG score recompute
  37. 2026-06-08 04:48 UTCGHSA enrichment
  38. 2026-06-07 17:28 UTCEG score recompute
  39. 2026-06-07 17:28 UTCGHSA enrichment
  40. 2026-06-07 15:25 UTCEPSS rescore
  41. 2026-06-07 15:25 UTCEPSS rescore
  42. 2026-06-07 15:25 UTCEPSS rescore
  43. 2026-06-07 06:07 UTCEG score recompute
  44. 2026-06-07 06:07 UTCGHSA enrichment
  45. 2026-06-06 18:43 UTCEG score recompute
  46. 2026-06-06 18:43 UTCGHSA enrichment
  47. 2026-06-06 13:47 UTCEPSS rescore
  48. 2026-06-06 13:47 UTCEPSS rescore
  49. 2026-06-06 05:21 UTCEG score recompute
  50. 2026-06-06 05:21 UTCGHSA enrichment
  51. 2026-06-05 22:47 UTCEPSS rescore
  52. 2026-06-05 22:47 UTCEPSS rescore
  53. 2026-06-05 16:46 UTCEG score recompute
  54. 2026-06-05 16:46 UTCGHSA enrichment
  55. 2026-06-05 06:10 UTCEPSS rescore
  56. 2026-06-05 06:10 UTCEPSS rescore
  57. 2026-06-05 03:20 UTCEG score recompute
  58. 2026-06-05 03:20 UTCGHSA enrichment
  59. 2026-06-04 13:29 UTCEG score recompute
  60. 2026-06-04 13:29 UTCGHSA enrichment
  61. 2026-06-04 13:12 UTCEPSS rescore
  62. 2026-06-04 13:12 UTCEPSS rescore
  63. 2026-06-04 02:08 UTCEG score recompute
  64. 2026-06-04 02:08 UTCGHSA enrichment
  65. 2026-06-03 14:45 UTCEG score recompute
  66. 2026-06-03 14:45 UTCGHSA enrichment
  67. 2026-06-03 02:47 UTCEG score recompute
  68. 2026-06-03 02:47 UTCGHSA enrichment
  69. 2026-06-02 20:13 UTCEPSS rescore
  70. 2026-06-02 15:05 UTCEG score recompute
  71. 2026-06-02 15:05 UTCGHSA enrichment
  72. 2026-06-02 03:39 UTCEG score recompute
  73. 2026-06-02 03:39 UTCGHSA enrichment
  74. 2026-06-01 14:43 UTCEG score recompute
  75. 2026-06-01 14:43 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-35352?
CVE-2026-35352 is a high vulnerability published on April 22, 2026. A Time-of-Check to Time-of-Use (TOCTOU) race condition exists in the mkfifo utility of uutils coreutils. The utility creates a FIFO and then performs a path-based chmod to set permissions. A local attacker with write access to the parent directory can swap the newly created FIFO for a symbolic link…
When was CVE-2026-35352 disclosed?
CVE-2026-35352 was first published in the National Vulnerability Database on April 22, 2026, with the most recent update on May 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-35352 actively exploited?
CVE-2026-35352 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-35352?
CVE-2026-35352 has a CVSS v3 base score of 7.0 (NVD).
How do I remediate CVE-2026-35352?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-35352, 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-2026-35352

Explore →

Is Your Infrastructure Affected by CVE-2026-35352?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs