{"id":"CVE-2026-104356","aliases":[],"cve":{"records":[{"id":"CVE-2026-104356","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-01T20:48:03.271Z","published":"2026-10-01T21:21:45.992Z","modified":"2026-11-08T14:00:47.293Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-11-08T14:00:47.293Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-02T18:24:02.153Z"}],"references":[{"url":"https://github.com/HaschekSolutions/pictshare/commit/ce5fc474e89769efeae25fee763894bcce3412e3","tags":["issue-tracking","release-notes","patch"],"source":"VulnCheck"},{"url":"https://github.com/HaschekSolutions/pictshare/releases/tag/v3.7.1","tags":["patch","release-notes"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/pictshare-predictable-delete-code-via-rand","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-338","description":"Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"operator":"OR","nodes":[{"operator":"OR","cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:hascheksolutions:pictshare:*:*:*:*:*:*:*:*","versionStartIncluding":"2.0.0","versionEndExcluding":"3.7.1"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-02T18:23:52.166713Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"PictShare < 3.7.1 Predictable Delete Code via rand()","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"PictShare before version 3.7.1 contains a weak randomness vulnerability where the getRandomString() function uses the non-cryptographic rand() PRNG to generate the delete_code authorization token in src/inc/core.php. Attackers can predict or infer the PRNG state to guess valid delete_code values and perform unauthorized deletion of hosted files without needing to read the code from the info endpoint.","score":8.2,"severity":"high","published":"2026-10-01T21:21:45.992Z","modified":"2026-11-08T14:00:47.293Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"HaschekSolutions","name":"pictshare","platforms":[],"versions":[{"version":"2.0.0","status":"affected","lessThan":"3.7.1","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:github/HaschekSolutions/pictshare","cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-104356"}],"remediation":[],"references":["https://github.com/HaschekSolutions/pictshare/commit/ce5fc474e89769efeae25fee763894bcce3412e3","https://github.com/HaschekSolutions/pictshare/releases/tag/v3.7.1","https://www.vulncheck.com/advisories/pictshare-predictable-delete-code-via-rand"],"sources":[{"name":"CVE","id":"CVE-2026-104356","modified":"2026-11-08T14:00:47.293Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-104356"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.2},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9}],"sourceAffected":[],"observedAt":"2026-11-08T14:07:24.737Z","kev":{"status":"not-listed","checkedAt":"2026-11-14T23:25:34.978Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-09T07:45:33.917Z","attemptedAt":"2026-11-09T07:45:33.917Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-09T07:45:33.917Z","attemptedAt":"2026-11-09T07:45:33.917Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-09T07:45:33.917Z","attemptedAt":"2026-11-09T07:45:33.917Z"},{"source":"EPSS","status":"available","checkedAt":"2026-11-09T07:45:31.285Z","attemptedAt":"2026-11-09T07:45:31.285Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-104356","url":"https://www.first.org/epss/","probability":0.0038,"percentile":0.32215,"date":"2026-11-08","checkedAt":"2026-11-09T07:45:31.285Z"},{"source":"GitHub Advisory Database","id":"GHSA-6654-r2c2-m62r","url":"https://github.com/advisories/GHSA-6654-r2c2-m62r","modified":"2026-10-02T00:31:33Z","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-11-09T07:45:33.917Z"},{"source":"NVD","id":"CVE-2026-104356","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104356","modified":"2026-10-02T19:16:40.900","score":8.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-11-09T07:45:33.917Z"},{"source":"NVD","id":"CVE-2026-104356","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104356","modified":"2026-10-02T19:16:40.900","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-11-09T07:45:33.917Z"},{"source":"ENISA EUVD","id":"EUVD-2026-91072","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-91072","modified":"Nov 8, 2026, 2:00:47 PM","score":8.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","checkedAt":"2026-11-09T07:45:33.917Z"}],"aiSummary":{"text":"PictShare versions before 3.7.1 have a weak randomness vulnerability, where the delete_code token is generated using a non-cryptographic PRNG, allowing attackers to predict and guess valid values for unauthorized file deletion. The vulnerability is in the getRandomString() function in src/inc/core.php. Attackers can exploit this without needing to read the code from the info endpoint.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-08T14:11:07.246Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-104356"}]}}