{"id":"CVE-2026-87816","state":"PUBLISHED","title":"PasswordPusher before 2.11.1 Race Condition View Limit Bypass","description":"PasswordPusher before 2.11.1 contains a time-of-check-to-time-of-use race condition in view limit enforcement that allows unauthenticated attackers to bypass expire_after_views limits. Attackers can send concurrent requests to the show endpoint to access one-time secrets multiple times before the view count is incremented and the push expires.","publishedAt":"2026-09-09T11:21:03.311Z","updatedAt":"2026-09-09T12:17:44.294Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["pglombardo PasswordPusher"],"affected":[{"vendor":"pglombardo","product":"PasswordPusher","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.11.1","versionType":"semver"},{"version":"2.11.1","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/pglombardo/PasswordPusher/security/advisories/GHSA-6q3c-57pp-wvpp","https://www.vulncheck.com/advisories/passwordpusher-before-2.11.1-race-condition-view-limit-bypass"],"weaknesses":["CWE-362"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/87xxx/CVE-2026-87816.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-87816","state":"PUBLISHED","datePublished":"2026-09-09T11:21:03.311Z","dateUpdated":"2026-09-09T12:17:44.294Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-09-09T10:32:34.109Z"},"containers":{"cna":{"title":"PasswordPusher before 2.11.1 Race Condition View Limit Bypass","descriptions":[{"lang":"en","value":"PasswordPusher before 2.11.1 contains a time-of-check-to-time-of-use race condition in view limit enforcement that allows unauthenticated attackers to bypass expire_after_views limits. Attackers can send concurrent requests to the show endpoint to access one-time secrets multiple times before the view count is incremented and the push expires."}],"affected":[{"vendor":"pglombardo","product":"PasswordPusher","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.11.1","versionType":"semver"},{"version":"2.11.1","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/pglombardo/PasswordPusher/security/advisories/GHSA-6q3c-57pp-wvpp","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-6q3c-57pp-wvpp)"},{"url":"https://www.vulncheck.com/advisories/passwordpusher-before-2.11.1-race-condition-view-limit-bypass","name":"VulnCheck Advisory: PasswordPusher before 2.11.1 Race Condition View Limit Bypass","tags":["third-party-advisory"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS"},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-362","lang":"en","description":"Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-09-09T11:21:03.311Z"},"datePublic":"2026-08-25T00:00:00.000Z","x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/pglombardo/PasswordPusher/security/advisories/GHSA-6q3c-57pp-wvpp","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-09T12:17:00.743517Z","id":"CVE-2026-87816","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-09T12:17:44.294Z"}}]}}}