{"id":"CVE-2026-90455","title":"A prior update that raised a bundled HTTP client library to a version remediating known vulnerabilities was later reverted, reintroducing the earlier, vulnerable version into a log-processing component","summary":"A prior update that raised a bundled HTTP client library to a version remediating known vulnerabilities was later reverted, reintroducing the earlier, vulnerable version into a log-processing component. The only code path in that compone…","severity":"low","cvss":3.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-1395"],"vendor":"CISA","product":"Malcolm","affected":["Malcolm < v26.06.0"],"published":"2026-09-11","updated":"2026-10-02","sourceUpdated":"2026-10-02T21:16:57.650","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90455","references":[{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-254-01.json","label":"ics-cert@hq.dhs.gov"},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-254-01","label":"ics-cert@hq.dhs.gov"}],"tags":["nvd","cve.org","score-dispute"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-14T12:54:38.295969Z"},"epss":0.00199,"epssPercentile":0.09636,"scores":{"nvd":3.7,"cna":6.3},"ingestedAt":"2026-09-14T15:23:07.429Z","slug":"CVE-2026-90455","body":"## Overview\n\nA prior update that raised a bundled HTTP client library to a version remediating known vulnerabilities was later reverted, reintroducing the earlier, vulnerable version into a log-processing component. The only code path in that component using the library issues a request to a single fixed, trusted vendor URL at initialization and does not process attacker-controlled input through the library, limiting practical exploitability of the reintroduced version in this context.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":20,"depthScoreParts":{"impact":20.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":215084,"id":"CVE-2026-90455","ts":1790980433776,"field":"cvss","old":"6.3","new":"3.7"},{"seq":215083,"id":"CVE-2026-90455","ts":1790980433776,"field":"severity","old":"medium","new":"low"}]}