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        "state": "PUBLISHED",
        "assignerShortName": "icscert",
        "dateReserved": "2026-08-12T21:15:03.423Z",
        "datePublished": "2026-08-18T19:11:58.230Z",
        "dateUpdated": "2026-08-18T19:45:58.424Z"
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            "title": "Improper handling of highly compressed data (data amplification) in CISA Malcolm",
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                            "cweId": "CWE-409",
                            "description": "CWE-409 Improper handling of highly compressed data (data amplification)",
                            "type": "CWE"
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                    "product": "Malcolm",
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                            "version": "0",
                            "lessThanOrEqual": "26.07.1",
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                    "lang": "en",
                    "value": "Malcolm's upload-processing pipeline (scripts/safe-extract.py) enforces entry-count, nesting-depth, and total-uncompressed-byte limits when extracting container archives (zip/tar/rar/7z via libarchive), but those limits are not applied when the uploaded file is a single-stream compressed format (.gz, .bz2, .xz, .lzma, .lz) that isn't a .tar.*-style archive. Any authenticated user permitted to upload PCAP/log files can upload a small, highly compressible file (e.g. a gzip bomb) that decompresses to an effectively unbounded size on disk, exhausting the shared Docker volume used by OpenSearch, Logstash, Arkime, and Zeek, and disrupting the platform for all users.",
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            ],
            "references": [
                {
                    "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-230-01",
                    "tags": [
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                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
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                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
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                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
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                    "lang": "en",
                    "value": "Malcolm version 26.08.0 addresses this issue. For more information, see  https://github.com/cisagov/Malcolm/security/advisories/GHSA-f2v6-8cj4-mhr6 .",
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                    "value": "tinyb0y",
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            "source": {
                "discovery": "UNKNOWN"
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                                "timestamp": "2026-08-18T19:42:34.846884Z",
                                "id": "CVE-2026-19671",
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                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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