{"vulnerability": "CVE-2026-58426", "sightings": [{"uuid": "5b322598-4034-4feb-890f-d2cd7592d568", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-58426", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mprl4pas652r", "content": "CVE-2026-58426 - gitea open source git server\nGitea Action artifacts may be exposed or altered due to a weakness in how they are signed. This could allow unauthorized access to sensitive data or tampering with project\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#gitea #CVE #infosec", "creation_timestamp": "2026-07-03T22:16:06.443177Z"}, {"uuid": "82b23f94-5084-484b-b47b-208b4ea6df5f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-58426", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/116858764503193267", "content": "CVE-2026-58426 | CRITICAL in Gitea 1.22.0: Ambiguous HMAC signing enables cross-repo artifact reads & cross-task upload tampering. No patch available \u2014 restrict access, monitor activity. Details: https://radar.offseq.com/threat/cve-2026-58426-cwe-347-in-gitea-gitea-open-source--93937e1ae55d7b31 #OffSeq #CVE202658426 #Gitea #infosec", "creation_timestamp": "2026-07-04T00:00:38.734138Z"}, {"uuid": "ab530580-ddfb-4205-97dd-fd716305277c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-58426", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mprqxo7u5y2u", "content": "Gitea 1.22.0 hit by CRITICAL CVE-2026-58426 (CVSS 9.6) \u2013 HMAC flaw enables cross-repo artifact access & upload state tampering. No patch: restrict privileges, monitor for abuse. https://radar.offseq.com/threat/cve-2026-58426-cwe-347-in-gitea-gitea-open-source--93937e1ae55d7b31 #OffSeq #Gitea #CVE...", "creation_timestamp": "2026-07-04T00:01:05.357632Z"}, {"uuid": "7ec6891a-b693-40b9-9443-27bff599e923", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-58426", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mps2xwqind2u", "content": "CVE-2026-58426 - Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write\nCVE ID : CVE-2026-58426\n \n Published : July 3, 2026, 8:54 p.m. | 3\u00a0hours, 19\u00a0minutes ago\n \n Description : Gitea Actions Artifacts V4 si...", "creation_timestamp": "2026-07-04T02:59:46.387165Z"}, {"uuid": "5fa930b6-7472-4c18-8669-b5d0a1da8362", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-58426", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mptxfdnj7f2m", "content": "\ud83d\udd34 CVE-2026-58426 - Critical (9.6)\n\nGitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cr...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-58426/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-07-04T21:01:00.959816Z"}]}