CVE-2026-35339

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.5 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 97% 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).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.5Exploit: NoneExposed: 0

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

The recursive mode (-R) of the chmod utility in uutils coreutils incorrectly handles exit codes when processing multiple files. The final return value is determined solely by the success or failure of the last file processed. This allows the command to return an exit code of 0 (success) even if errors were encountered on previous files, such as 'Operation not permitted'. Scripts relying on these exit codes may proceed under a false sense of success while sensitive files remain with restrictive or incorrect permissions.

CVSS v3
5.5
EG Score
5.5(medium)
EPSS
4.0%
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

Release 0.6.0 · uutils/coreutils · GitHub

https://github.com/uutils/coreutils/releases/tag/0.6.0
generic

chmod: fix error handling if multiple files are handled by cerdelen · Pull Request #9793 · uutils/coreutils · GitHub

https://github.com/uutils/coreutils/pull/9793

Vendor Advisories for CVE-2026-35339(1)

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

Affected Packages

(1 across 1 ecosystem)
crates.io(1)
PackageVulnerable rangeFixed inDependents
coreutils—0.6.0—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 39× 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. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-09 19:10 UTCEPSS rescore
  3. 2026-07-08 15:15 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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  1. 2026-06-21 14:56 UTCEPSS rescore
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  3. 2026-06-19 19:25 UTCEPSS rescore
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  9. 2026-06-15 17:49 UTCEPSS rescore
  10. 2026-06-14 23:18 UTCEPSS rescore
  11. 2026-06-14 12:34 UTCEG score recompute
  12. 2026-06-13 23:00 UTCEPSS rescore
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  15. 2026-06-11 14:41 UTCEG score recompute
  16. 2026-06-11 14:00 UTCEPSS rescore
  17. 2026-06-10 22:18 UTCEPSS rescore
  18. 2026-06-10 13:22 UTCEPSS rescore
  19. 2026-06-10 04:39 UTCEG score recompute
  20. 2026-06-09 03:39 UTCEG score recompute
  21. 2026-06-08 14:17 UTCEPSS rescore
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  23. 2026-06-07 21:19 UTCEG score recompute
  24. 2026-06-07 15:25 UTCEPSS rescore
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  27. 2026-06-06 20:19 UTCEG score recompute
  28. 2026-06-06 13:47 UTCEPSS rescore
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  30. 2026-06-05 22:47 UTCEPSS rescore
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  32. 2026-06-05 18:56 UTCEG score recompute
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  35. 2026-06-04 17:55 UTCEG score recompute
  36. 2026-06-04 13:12 UTCEPSS rescore
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  38. 2026-06-03 16:50 UTCEG score recompute
  39. 2026-06-02 20:13 UTCEPSS rescore
  40. 2026-06-02 15:50 UTCEG score recompute
  41. 2026-06-01 14:44 UTCEG score recompute
  42. 2026-06-01 13:52 UTCEPSS rescore
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  45. 2026-05-31 22:30 UTCEPSS rescore
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  50. 2026-05-29 13:44 UTCEPSS rescore
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  61. 2026-05-23 00:08 UTCEG score recompute
  62. 2026-05-20 22:38 UTCEPSS rescore
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  64. 2026-05-20 16:09 UTCEG score recompute
  65. 2026-05-20 11:22 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2026-35339?
CVE-2026-35339 is a medium vulnerability published on April 22, 2026. The recursive mode (-R) of the chmod utility in uutils coreutils incorrectly handles exit codes when processing multiple files. The final return value is determined solely by the success or failure of the last file processed. This allows the command to return an exit code of 0 (success) even if…
When was CVE-2026-35339 disclosed?
CVE-2026-35339 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-2026-35339 actively exploited?
CVE-2026-35339 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-35339?
CVE-2026-35339 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-35339?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-35339, 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.

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