{"id":"CVE-2026-115319","aliases":[],"cve":{"records":[{"id":"CVE-2026-115319","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-22T10:11:36.987Z","published":"2026-10-22T10:57:40.288Z","modified":"2026-10-29T11:21:21.376Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-22T10:57:40.288Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-29T11:21:21.376Z"}],"references":[{"url":"https://github.com/junegunn/fzf/commit/b412a450538e5f4a1d7057732e75d945dafa18a6","tags":["patch"],"source":"VulnCheck"},{"url":"https://github.com/junegunn/fzf/blob/v0.74.5/src/options.go#L1680-L1736","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/junegunn/fzf","tags":["product"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/fzf-0.36.0-through-0.74.5-denial-of-service-via-maskactioncontents","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-407","description":"Inefficient Algorithmic Complexity","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:junegunn:fzf:*:*:*:*:*:*:*:*","versionStartIncluding":"0.36.0","versionEndIncluding":"0.74.5"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-29T11:21:04.903260Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"fzf 0.36.0 through 0.74.5 Denial of Service via maskActionContents","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"fzf 0.36.0 through 0.74.5 contains an inefficient algorithmic complexity vulnerability in maskActionContents that allows local attackers to exhaust the --listen HTTP server through quadratic string concatenation. Attackers can repeatedly send POST bodies of about 1 MB to the unauthenticated localhost port, blocking the single-threaded server for about 30 seconds each time.","score":2.5,"severity":"low","published":"2026-10-22T10:57:40.288Z","modified":"2026-10-29T11:21:21.376Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"junegunn","name":"fzf","platforms":[],"versions":[{"version":"0.36.0","status":"affected","lessThanOrEqual":"0.74.5","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:golang/github.com/junegunn/fzf","packageIdentity":{"ecosystem":"Go","name":"github.com/junegunn/fzf"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-115319"}],"remediation":[],"references":["https://github.com/junegunn/fzf/commit/b412a450538e5f4a1d7057732e75d945dafa18a6","https://github.com/junegunn/fzf/blob/v0.74.5/src/options.go#L1680-L1736","https://github.com/junegunn/fzf","https://www.vulncheck.com/advisories/fzf-0.36.0-through-0.74.5-denial-of-service-via-maskactioncontents"],"sources":[{"name":"CVE","id":"CVE-2026-115319","modified":"2026-10-29T11:21:21.376Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-115319"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":2},{"source":"VulnCheck","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L","score":2.5}],"sourceAffected":[],"observedAt":"2026-10-29T14:34:15.792Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T14:10:32.801Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-29T11:35:34.053Z","attemptedAt":"2026-10-29T11:35:34.053Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-29T11:35:33.856Z","attemptedAt":"2026-10-29T11:35:33.856Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-29T11:35:35.261Z","attemptedAt":"2026-10-29T11:35:35.261Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-29T11:35:33.855Z","attemptedAt":"2026-10-29T11:35:33.855Z"}],"evidence":[{"source":"GitHub Advisory Database","id":"GHSA-9q8r-c9q4-p63h","url":"https://github.com/advisories/GHSA-9q8r-c9q4-p63h","modified":"2026-10-22T12:31:20Z","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L","checkedAt":"2026-10-29T11:35:33.856Z"},{"source":"FIRST EPSS","id":"CVE-2026-115319","url":"https://www.first.org/epss/","probability":0.00101,"percentile":0.00872,"date":"2026-10-28","checkedAt":"2026-10-29T11:35:33.855Z"},{"source":"NVD","id":"CVE-2026-115319","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115319","modified":"2026-10-22T17:40:46.877","score":2,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-10-29T11:35:34.053Z"},{"source":"NVD","id":"CVE-2026-115319","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115319","modified":"2026-10-22T17:40:46.877","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L","checkedAt":"2026-10-29T11:35:34.053Z"},{"source":"ENISA EUVD","id":"EUVD-2026-108122","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-108122","modified":"Oct 22, 2026, 10:57:40 AM","score":2,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","checkedAt":"2026-10-29T11:35:35.261Z"}],"aiSummary":{"text":"fzf versions 0.36.0 through 0.74.5 contain an inefficient algorithmic complexity vulnerability, allowing local attackers to exhaust the --listen HTTP server. Attackers can send large POST bodies to the unauthenticated localhost port, blocking the server.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:30:21.392Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-115319"}]}}