CVE-2026-35338

HIGHNVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.3 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
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.3Exploit: NoneExposed: 0

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

A vulnerability in the chmod utility of uutils coreutils allows users to bypass the --preserve-root safety mechanism. The implementation only validates if the target path is literally / and does not canonicalize the path. An attacker or accidental user can use path variants such as /../ or symbolic links to execute destructive recursive operations (e.g., chmod -R 000) on the entire root filesystem, leading to system-wide permission loss and potential complete system breakdown.

CVSS v3
7.3
EG Score
7.3(medium)
EPSS
7.2%
KEV
Not listed

Published

April 22, 2026

Last Modified

April 27, 2026

Advisory Details (2)

Auto-updated Jun 12, 2026
Patch available. Sources: github_pr, github_release.
github_release Patch Available

0.6.0

Patch available: uutils/coreutils 0.6.0

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

Chmod preserve root

Fix merged in uutils/coreutils PR #10033 on 2026-01-07 — awaiting tagged release

https://github.com/uutils/coreutils/pull/10033

Vendor Advisories for CVE-2026-35338(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 9× 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.

  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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  1. 2026-06-22 14:25 UTCEPSS rescore
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  12. 2026-06-15 02:38 UTCEG score recompute
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  18. 2026-06-12 03:24 UTCEG score recompute
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  27. 2026-06-08 14:17 UTCEPSS rescore
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  31. 2026-06-07 15:25 UTCEPSS rescore
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  35. 2026-06-06 18:44 UTCEG score recompute
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  45. 2026-06-04 13:12 UTCEPSS rescore
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  48. 2026-06-03 17:50 UTCEG score recompute
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  53. 2026-06-01 13:52 UTCEPSS rescore
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  74. 2026-05-20 11:22 UTCEPSS rescore
  75. 2026-05-20 11:22 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-35338?
CVE-2026-35338 is a high vulnerability published on April 22, 2026. A vulnerability in the chmod utility of uutils coreutils allows users to bypass the --preserve-root safety mechanism. The implementation only validates if the target path is literally / and does not canonicalize the path. An attacker or accidental user can use path variants such as /../ or symbolic…
When was CVE-2026-35338 disclosed?
CVE-2026-35338 was first published in the National Vulnerability Database on April 22, 2026, with the most recent update on April 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-35338 actively exploited?
CVE-2026-35338 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-35338?
CVE-2026-35338 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-35338?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-35338, 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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