CVE-2026-34982

HIGHPre-NVD 8.28.2—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.2 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 89% 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
8.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.2Exploit: NoneExposed: 0

A fix is available — apply it.

Vim is an open source, command line text editor. Prior to version 9.2.0276, a modeline sandbox bypass in Vim allows arbitrary OS command execution when a user opens a crafted file. The complete, guitabtooltip and printheader options are missing the P_MLE flag, allowing a modeline to be executed. Additionally, the mapset() function lacks a check_secure() call, allowing it to be abused from sandboxed expressions. Commit 9.2.0276 fixes the issue.

CVSS v3
8.2
EG Score
8.2(medium)
EPSS
37.9%
KEV
Not listed

Published

April 6, 2026

Last Modified

July 15, 2026

Advisory Details (4)

Auto-updated May 4, 2026
Patch available. Sources: github.
generic

oss-security - Re: [vim-security] Vim modeline bypass via various options affects Vim < 9.2.0276

http://www.openwall.com/lists/oss-security/2026/04/01/1
github Patch Available

Vim modeline bypass via various options affects Vim < 9.2.0276 · Advisory · vim/vim · GitHub

https://github.com/vim/vim/security/advisories/GHSA-8h6p-m6gr-mpw9
generic

Release v9.2.0276 · vim/vim · GitHub

https://github.com/vim/vim/releases/tag/v9.2.0276
generic

patch 9.2.0276: [security]: modeline security bypass · vim/vim@75661a6 · GitHub

https://github.com/vim/vim/commit/75661a66a1db1e1f3f1245c615

Vendor Advisories for CVE-2026-34982(20)

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

Patch Availability(8)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuxxd (2:8.0.1453-1ubuntu1.13+esm15) @ bionic2026-06-11ubuntu
redhatinsights-proxy/insights-proxy-container-rhel9:17804204282026-06-02redhat
redhatrhui5/rhua-rhel9:17797982222026-05-27redhat
redhatvim-2:9.1.083-9.el10_2.22026-05-19redhat
redhatvim-2:8.2.2637-26.el9_8.42026-05-19redhat
redhatvim-2:8.0.1763-22.el8_10.32026-04-29redhat
redhatvim-2:8.2.2637-23.el9_7.32026-04-29redhat
redhatvim-2:9.1.083-6.el10_1.42026-04-28redhat

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.

Weakness Classification(1)

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

Additional Vendor Advisories

(2)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 8× 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.

Showing the most recent 100 of 104 total refreshes for this CVE.

  1. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-21 15:24 UTCEPSS rescore
  3. 2026-07-20 17:08 UTCEPSS rescore
  4. 2026-07-19 14:31 UTCEPSS rescore
  5. 2026-07-19 02:29 UTCEPSS rescore
  6. 2026-07-18 10:04 UTCEPSS rescore
  7. 2026-07-17 02:24 UTCOSV refresh
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  1. 2026-07-01 15:06 UTCEPSS rescore
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  26. 2026-06-15 17:49 UTCEPSS rescore
  27. 2026-06-14 23:18 UTCEPSS rescore
  28. 2026-06-13 23:00 UTCEPSS rescore
  29. 2026-06-12 23:12 UTCEPSS rescore
  30. 2026-06-12 23:12 UTCEPSS rescore
  31. 2026-06-11 21:37 UTCVendor advisory
  32. 2026-06-11 14:00 UTCEPSS rescore
  33. 2026-06-10 22:18 UTCEPSS rescore
  34. 2026-06-10 13:52 UTCVendor advisory
  35. 2026-06-10 13:22 UTCEPSS rescore
  36. 2026-06-10 01:59 UTCVendor advisory
  37. 2026-06-09 14:07 UTCVendor advisory
  38. 2026-06-08 14:17 UTCEPSS rescore
  39. 2026-06-08 14:17 UTCEPSS rescore
  40. 2026-06-08 10:35 UTCVendor advisory
  41. 2026-06-07 22:23 UTCVendor advisory
  42. 2026-06-07 15:25 UTCEPSS rescore
  43. 2026-06-07 15:25 UTCEPSS rescore
  44. 2026-06-07 15:25 UTCEPSS rescore
  45. 2026-06-07 10:30 UTCVendor advisory
  46. 2026-06-06 13:47 UTCEPSS rescore
  47. 2026-06-06 13:47 UTCEPSS rescore
  48. 2026-06-05 22:47 UTCEPSS rescore
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  50. 2026-06-05 06:10 UTCEPSS rescore
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  74. 2026-05-20 22:38 UTCEPSS rescore
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Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-34982?
CVE-2026-34982 is a high vulnerability published on April 6, 2026. Vim is an open source, command line text editor. Prior to version 9.2.0276, a modeline sandbox bypass in Vim allows arbitrary OS command execution when a user opens a crafted file. The complete, guitabtooltip and printheader options are missing the PMLE flag, allowing a modeline to be executed.…
When was CVE-2026-34982 disclosed?
CVE-2026-34982 was first published in the National Vulnerability Database on April 6, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-34982 actively exploited?
CVE-2026-34982 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 37.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-34982?
CVE-2026-34982 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2026-34982?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34982, 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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