CVE-2026-93751

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{"bugzilla": {"description": "uri-js: uri-js: Improper UTF-8 decoding allows path traversal and CRLF injection", "id": "2537856", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2537856"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-22", "details": ["uri-js through 4.4.1 contains an improper UTF-8 decoding vulnerability in pctDecChars() that decodes invalid and overlong percent-encoded sequences into ASCII metacharacters. Attackers can craft percent-encoded payloads to bypass platform decoder validation and inject path traversal or CRLF sequences that downstream consumers process without filtering.", "A flaw was found in uri-js. This improper UTF-8 (Unicode Transformation Format - 8-bit) decoding vulnerability in the `pctDecChars()` function allows a remote attacker to craft specially encoded payloads. These payloads can bypass platform decoder validation, leading to the injection of path traversal or Carriage Return Line Feed (CRLF) sequences. This could enable attackers to access unauthorized files or manipulate application logs and HTTP responses."], "name": "CVE-2026-93751", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "dotnet8.0", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "grafana12.4", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "grafana13.1", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "grafana13.2", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "jaeger", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "opentelemetry-collector", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "opentelemetry-collector-contrib", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "opentelemetry-collector-k8s", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "prometheus3.13", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "rust", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-09-18T17:51:36Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-93751\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-93751\nhttps://github.com/garycourt/uri-js\nhttps://github.com/garycourt/uri-js/blob/a1acf730b4bba3f1097c9f52e7d9d3aba8cdcaae/src/uri.ts#L103-L141\nhttps://github.com/garycourt/uri-js/issues/106\nhttps://www.vulncheck.com/advisories/uri-js-through-4.4.1-improper-utf-8-decoding-via-pctdecchars"], "threat_severity": "Moderate"}

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