CVE-2026-43961: vim Code Injection
CVSS: 7.8v3.1HighAwaiting analysis
AliasesALPINE-CVE-2026-43961UBUNTU-CVE-2026-43961DEBIAN-CVE-2026-43961
Published 19-08-2026Last modified 16-10-2026
Vulnerability summary
CVE-2026-43961 is a high (CVSS 7.8) Code Injection vulnerability in vim. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.7% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.22%
0%100%
Low · +0.06 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 5 · Related 4Timeline
- 19-08-2026PublishedVulnerability first disclosed.
- 16-10-2026Last modifiedVulnerability information updated.
Description
A flaw was found in Vim's netrw plugin. A crafted filename containing quote characters and expression fragments can break out of the quoted context during mark/unmark operations, allowing arbitrary Vimscript execution. This can be leveraged to run shell commands with the privileges of the user running Vim.
CVSS metrics
5 scores · 5 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 5 agree
- OSV · AlpineEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
+0.06 pp
From 0.16% on 19-09-2026
19-09-202619-10-2026
EPSS score0.22%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- vim< 9.2.0481-r0
Debian1 product
- vimAll versions (No fix recorded) | < 2:9.2.0524-1
Ubuntu1 product
- vim< 2:7.4.052-1ubuntu3.1+esm28 | < 2:7.4.1689-3ubuntu1.5+esm34 | < 2:8.0.1453-1ubuntu1.13+esm19 | < 2:8.1.2269-1ubuntu5.32+esm7 | < 2:8.2.3995-1ubuntu2.31 | < 2:9.1.0016-1ubuntu7.15 | < 2:9.1.0967-1ubuntu6.6 | < 2:9.1.2141-1ubuntu4.3
Vim1 product
- vim< 9.2.0480
4 vendors · 4 products
