{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-118986","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","state":"PUBLISHED","assignerShortName":"CPANSec","dateReserved":"2026-10-29T10:48:23.002Z","datePublished":"2026-10-30T13:13:32.845Z","dateUpdated":"2026-11-06T16:46:47.131Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","modules":["CallBackery"],"packageName":"CallBackery","packageURL":"pkg:cpan/CallBackery","programFiles":["lib/CallBackery/Config.pm"],"programRoutines":[{"name":"CallBackery::Config::secretFile"},{"name":"CallBackery::Config::reConfigure"}],"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 allow session cookie forgery via a signing secret generated with rand().\n\nThe secret that signs session cookies is built from two calls to the built-in rand(), which is seeded with 32 bits. The secret therefore has at most 2**32 possible values, and one signed cookie is enough to test each candidate offline.\n\nAn attacker who obtains a single session cookie can recover the secret and sign cookies for any user, including an administrator."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-338","description":"CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec","dateUpdated":"2026-10-30T13:13:32.845Z"},"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 allow session cookie forgery via a signing secret generated with rand()","x_generator":{"engine":"cpansec-cna-tool 0.1"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-11-06T16:46:13.642574Z","id":"CVE-2026-118986","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-11-06T16:46:47.131Z"}}]}}