CVE-2026-56755

{"id": "CVE-2026-56755", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-56755", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-13T18:38:09.639646Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.5}]}, "affected": [{"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "affectedData": [{"vendor": "Gitea", "product": "Gitea Open Source Git Server", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "1.26.4"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-13T17:17:25.680", "references": [{"url": "https://blog.gitea.com/gitea-1.27.0-is-released/", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.27.0", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-6hm7-3pwj-22rm", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "description": [{"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "Denial of Service (CPU & Memory Exhaustion) via O(N^2) String Concatenation in Debian Package Upload"}], "lastModified": "2026-08-26T16:53:48.300", "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2"}