CVE-2026-61702

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{"affected": [{"affectedData": [{"product": "cups", "vendor": "OpenPrinting", "versions": [{"status": "affected", "version": "< 2.4.20"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openprinting:cups:*:*:*:*:*:*:*:*", "matchCriteriaId": "2DB4F8BB-D97C-48D4-9B6F-F18BF8CC6E83", "versionEndExcluding": "2.4.20", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to 2.4.20, copy_banner() in scheduler/ipp.c uses the attacker-controlled IPP attributes-natural-language value as a directory component beneath DataDir/banners when processing a job-sheets banner. The job-sheets value must first match a registered banner basename, and the traversed path must contain a matching reachable basename; selecting an arbitrary target as demonstrated additionally requires pre-positioned path state such as a symlink with that basename. Subject to the scheduler's filesystem and sandbox access, path separators in the language value can escape the intended banner directory, make the root scheduler open the reachable file, and copy its bytes into a job-sheet spool object that a configured backend can deliver to an attacker-observable endpoint. This issue is fixed in version 2.4.20."}], "id": "CVE-2026-61702", "lastModified": "2026-10-28T21:17:00.100", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-61702", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-28T20:11:59.915480Z", "version": "2.0.3"}}]}, "published": "2026-10-15T18:17:28.580", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/OpenPrinting/cups/commit/08a8a277ce2a8948a1af33552247a1ac53b72df3"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/OpenPrinting/cups/commit/6650428234616a97d3298e0e2d4419c62c1339d2"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/OpenPrinting/cups/releases/tag/v2.4.20"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/OpenPrinting/cups/security/advisories/GHSA-gq9p-4w7m-2f5g"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/OpenPrinting/cups/security/advisories/GHSA-gq9p-4w7m-2f5g"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "cups: cups: Information disclosure via path traversal in banner processing", "id": "2553611", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2553611"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-22", "details": ["OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to 2.4.20, copy_banner() in scheduler/ipp.c uses the attacker-controlled IPP attributes-natural-language value as a directory component beneath DataDir/banners when processing a job-sheets banner. The job-sheets value must first match a registered banner basename, and the traversed path must contain a matching reachable basename; selecting an arbitrary target as demonstrated additionally requires pre-positioned path state such as a symlink with that basename. Subject to the scheduler's filesystem and sandbox access, path separators in the language value can escape the intended banner directory, make the root scheduler open the reachable file, and copy its bytes into a job-sheet spool object that a configured backend can deliver to an attacker-observable endpoint. This issue is fixed in version 2.4.20.", "A flaw was found in CUPS. An information disclosure vulnerability allows an attacker to read files on the system by submitting a specially crafted print job containing directory traversal characters in the language attribute. Because the scheduler fails to validate path separators when processing banner pages, it can open files accessible to the root process and copy their contents into print spool objects delivered to an attacker-controlled destination."], "name": "CVE-2026-61702", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "cups", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-15T17:12:10Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-61702\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-61702\nhttps://github.com/OpenPrinting/cups/commit/08a8a277ce2a8948a1af33552247a1ac53b72df3\nhttps://github.com/OpenPrinting/cups/commit/6650428234616a97d3298e0e2d4419c62c1339d2\nhttps://github.com/OpenPrinting/cups/releases/tag/v2.4.20\nhttps://github.com/OpenPrinting/cups/security/advisories/GHSA-gq9p-4w7m-2f5g"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.4.20)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "cups", "source": "cna", "vendor": "OpenPrinting"}, "product": "cups", "vendor": "openprinting"}], "created": "2026-10-16T20:15:13.891269+00:00", "updated": "2026-10-17T18:00:10.533506+00:00", "vendors": ["openprinting", "openprinting$PRODUCT$cups"]}