{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-66913", "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "state": "PUBLISHED", "assignerShortName": "CIRCL", "dateReserved": "2026-07-28T12:19:10.431Z", "datePublished": "2026-07-28T12:19:20.977Z", "dateUpdated": "2026-07-28T19:20:16.204Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "lookyloo", "repo": "https://github.com/Lookyloo/lookyloo", "vendor": "lookyloo", "versions": [{"lessThanOrEqual": "1.40.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "remediation developer", "value": "Raphael Vinot"}, {"lang": "en", "type": "finder", "value": "https://github.com/EQSTLab"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Lookyloo did not enforce limits on the decompressed size of uploaded capture archives and compressed HAR files.</p><p>An attacker could submit a specially crafted ZIP, gzip, or zlib-compressed capture containing data that expands to a very large size during processing. 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Repeated exploitation could cause a persistent denial-of-service condition until the affected processes or instance are restarted.</p><p>The patch introduces:</p><ul><li>A 1 GB cumulative uncompressed-size limit for imported capture archives.</li><li>Size-limited gzip and zlib decompression for compressed HAR files.</li><li>Explicit detection and handling of suspected zip bombs.</li><li>An HTTP 400 response when an oversized compressed HAR file is submitted through the API.</li></ul><br>"}], "value": "Lookyloo did not enforce limits on the decompressed size of uploaded capture archives and compressed HAR files.\n\nAn attacker could submit a specially crafted ZIP, gzip, or zlib-compressed capture containing data that expands to a very large size during processing. 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{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-66913", "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "state": "PUBLISHED", "assignerShortName": "CIRCL", "dateReserved": "2026-07-28T12:19:10.431Z", "datePublished": "2026-07-28T12:19:20.977Z", "dateUpdated": "2026-07-28T19:20:16.204Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "lookyloo", "repo": "https://github.com/Lookyloo/lookyloo", "vendor": "lookyloo", "versions": [{"lessThanOrEqual": "1.40.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "remediation developer", "value": "Raphael Vinot"}, {"lang": "en", "type": "finder", "value": "https://github.com/EQSTLab"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Lookyloo did not enforce limits on the decompressed size of uploaded capture archives and compressed HAR files.</p><p>An attacker could submit a specially crafted ZIP, gzip, or zlib-compressed capture containing data that expands to a very large size during processing. 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Repeated exploitation could cause a persistent denial-of-service condition until the affected processes or instance are restarted.</p><p>The patch introduces:</p><ul><li>A 1 GB cumulative uncompressed-size limit for imported capture archives.</li><li>Size-limited gzip and zlib decompression for compressed HAR files.</li><li>Explicit detection and handling of suspected zip bombs.</li><li>An HTTP 400 response when an oversized compressed HAR file is submitted through the API.</li></ul><br>"}], "value": "Lookyloo did not enforce limits on the decompressed size of uploaded capture archives and compressed HAR files.\n\nAn attacker could submit a specially crafted ZIP, gzip, or zlib-compressed capture containing data that expands to a very large size during processing. 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{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.40.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "lookyloo", "source": "cna", "vendor": "lookyloo"}, "product": "lookyloo", "vendor": "lookyloo"}], "created": "2026-07-28T20:00:10.524655+00:00", "updated": "2026-07-28T20:00:10.524689+00:00", "vendors": ["lookyloo", "lookyloo$PRODUCT$lookyloo"]}