{"id":"CVE-2026-115638","aliases":[],"cve":{"records":[{"id":"CVE-2026-115638","source":"mitre","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-23T03:21:16.440Z","published":"2026-10-23T03:21:17.303Z","modified":"2026-10-29T17:05:16.854Z"}],"publishers":[{"name":"mitre","role":"CNA","organizationId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","modified":"2026-10-23T03:21:17.303Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-26T17:57:34.658Z"},{"name":"CVE","role":"ADP","organizationId":"af854a3a-2127-422b-91ae-364da2661108","modified":"2026-10-29T17:05:16.854Z"}],"references":[{"url":"https://bugs.launchpad.net/ironic/+bug/2171814","tags":[],"source":"mitre"},{"url":"http://www.openwall.com/lists/oss-security/2026/10/29/1","tags":[],"source":"CVE"}],"weaknesses":[{"id":"CWE-409","description":"CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)","source":"mitre"}],"applicability":[{"source":"mitre","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:openstack:ironic:*:*:*:*:*:*:*:*","versionStartIncluding":"30.0.0","versionEndIncluding":"32.1.1"},{"vulnerable":true,"criteria":"cpe:2.3:a:openstack:ironic:*:*:*:*:*:*:*:*","versionStartIncluding":"33.0.0","versionEndIncluding":"35.1.1"},{"vulnerable":true,"criteria":"cpe:2.3:a:openstack:ironic:*:*:*:*:*:*:*:*","versionStartIncluding":"36.0.0","versionEndIncluding":"39.0.1"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-26T17:48:19.615590Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"OpenStack Ironic through 39.0.1 allows a denial of service via a configdrive that results in a very large amount of uncompressed data, aka a gzip bomb.","titleSource":"mitre","descriptionSource":"mitre","description":"OpenStack Ironic through 39.0.1 allows a denial of service via a configdrive that results in a very large amount of uncompressed data, aka a gzip bomb.","score":4.3,"severity":"medium","published":"2026-10-23T03:21:17.303Z","modified":"2026-10-29T17:05:16.854Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"OpenStack","name":"Ironic","platforms":[],"versions":[{"version":"30.0.0","status":"affected","lessThanOrEqual":"32.1.1","versionType":"semver"},{"version":"33.0.0","status":"affected","lessThanOrEqual":"35.1.1","versionType":"semver"},{"version":"36.0.0","status":"affected","lessThanOrEqual":"39.0.1","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"mitre","url":"https://www.cve.org/CVERecord?id=CVE-2026-115638"}],"remediation":[],"references":["https://bugs.launchpad.net/ironic/+bug/2171814","http://www.openwall.com/lists/oss-security/2026/10/29/1"],"sources":[{"name":"CVE","id":"CVE-2026-115638","modified":"2026-10-29T17:05:16.854Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-115638"}],"assessments":[{"source":"mitre","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","score":4.3}],"sourceAffected":[],"observedAt":"2026-10-29T17:27:03.533Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T09:15:31.262Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-30T09:30:33.354Z","attemptedAt":"2026-10-30T09:30:33.354Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-30T09:30:32.510Z","attemptedAt":"2026-10-30T09:30:32.510Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-30T09:30:32.510Z","attemptedAt":"2026-10-30T09:30:32.510Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-30T09:30:33.163Z","attemptedAt":"2026-10-30T09:30:33.163Z"}],"evidence":[{"source":"GitHub Advisory Database","id":"GHSA-48wg-78rx-fcjg","url":"https://github.com/advisories/GHSA-48wg-78rx-fcjg","modified":"2026-10-29T18:31:45Z","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","checkedAt":"2026-10-30T09:30:32.510Z"},{"source":"ENISA EUVD","id":"EUVD-2026-108570","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-108570","modified":"Oct 29, 2026, 5:05:16 PM","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","checkedAt":"2026-10-30T09:30:32.510Z"},{"source":"FIRST EPSS","id":"CVE-2026-115638","url":"https://www.first.org/epss/","probability":0.00212,"percentile":0.1155,"date":"2026-10-29","checkedAt":"2026-10-30T09:30:33.163Z"},{"source":"NVD","id":"CVE-2026-115638","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115638","modified":"2026-10-29T17:18:01.463","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","checkedAt":"2026-10-30T09:30:33.354Z"}],"aiSummary":{"text":"OpenStack Ironic through 39.0.1 may be vulnerable to a denial of service via a configdrive that results in a large amount of uncompressed data. The weakness is due to improper handling of highly compressed data. Affected versions include 30.0.0 through 39.0.1.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:55:56.608Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-115638"}]}}