{"api_version":"1","generated_at":"2026-11-05T02:49:20+00:00","cve":"CVE-2026-13576","urls":{"html":"https://cve.report/CVE-2026-13576","api":"https://cve.report/api/cve/CVE-2026-13576.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-13576","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-13576"},"summary":{"title":"CallBackery versions before 0.62.0 for Perl store user passwords as unsalted HMAC-SHA1 hashes","description":"CallBackery versions before 0.62.0 for Perl store user passwords as unsalted HMAC-SHA1 hashes.\n\nPasswords are hashed with hmac_sha1_sum() from Mojo::Util with no key, a single fast SHA-1 HMAC. There is no salt, so equal passwords give equal hashes, and no work factor slows down guessing.\n\nAn attacker who obtains the user table can recover passwords by fast offline guessing.","state":"PUBLISHED","assigner":"CPANSec","published_at":"2026-10-30 13:18:32","updated_at":"2026-10-30 17:08:54"},"problem_types":["CWE-759","CWE-916","CWE-916 CWE-916 Use of Password Hash With Insufficient Computational Effort","CWE-759 CWE-759 Use of a One-Way Hash without a Salt"],"metrics":[],"references":[{"url":"https://metacpan.org/release/OETIKER/CallBackery-0.62.0/changes","name":"https://metacpan.org/release/OETIKER/CallBackery-0.62.0/changes","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-13576","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13576","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"Upgrade to CallBackery 0.62.0 or later.","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"13576","cve":"CVE-2026-13576","epss":"0.001040000","percentile":"0.010210000","score_date":"2026-11-01","updated_at":"2026-11-02 00:05:54"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","modules":["CallBackery"],"packageName":"CallBackery","packageURL":"pkg:cpan/CallBackery","programFiles":["lib/CallBackery/User.pm","lib/CallBackery/GuiPlugin/UserForm.pm"],"programRoutines":[{"name":"CallBackery::User::login"},{"name":"CallBackery::GuiPlugin::UserForm::actionCfg"}],"repo":"https://github.com/oetiker/callbackery","versions":[{"lessThan":"0.62.0","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"CallBackery versions before 0.62.0 for Perl store user passwords as unsalted HMAC-SHA1 hashes.\n\nPasswords are hashed with hmac_sha1_sum() from Mojo::Util with no key, a single fast SHA-1 HMAC. There is no salt, so equal passwords give equal hashes, and no work factor slows down guessing.\n\nAn attacker who obtains the user table can recover passwords by fast offline guessing."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-916","description":"CWE-916 Use of Password Hash With Insufficient Computational Effort","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-759","description":"CWE-759 Use of a One-Way Hash without a Salt","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-30T13:09:47.702Z","orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec"},"references":[{"tags":["release-notes"],"url":"https://metacpan.org/release/OETIKER/CallBackery-0.62.0/changes"}],"solutions":[{"lang":"en","value":"Upgrade to CallBackery 0.62.0 or later."}],"source":{"discovery":"UNKNOWN"},"title":"CallBackery versions before 0.62.0 for Perl store user passwords as unsalted HMAC-SHA1 hashes","x_generator":{"engine":"cpansec-cna-tool 0.1"}}},"cveMetadata":{"assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","assignerShortName":"CPANSec","cveId":"CVE-2026-13576","datePublished":"2026-10-30T13:09:47.702Z","dateReserved":"2026-06-28T20:49:43.680Z","dateUpdated":"2026-10-30T13:09:47.702Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-30 13:18:32","lastModifiedDate":"2026-10-30 17:08:54","problem_types":["CWE-759","CWE-916","CWE-916 CWE-916 Use of Password Hash With Insufficient Computational Effort","CWE-759 CWE-759 Use of a One-Way Hash without a Salt"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"13576","Ordinal":"1","Title":"CallBackery versions before 0.62.0 for Perl store user passwords","CVE":"CVE-2026-13576","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"13576","Ordinal":"1","NoteData":"CallBackery versions before 0.62.0 for Perl store user passwords as unsalted HMAC-SHA1 hashes.\n\nPasswords are hashed with hmac_sha1_sum() from Mojo::Util with no key, a single fast SHA-1 HMAC. There is no salt, so equal passwords give equal hashes, and no work factor slows down guessing.\n\nAn attacker who obtains the user table can recover passwords by fast offline guessing.","Type":"Description","Title":"CallBackery versions before 0.62.0 for Perl store user passwords"}]}}}