{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-25T06:33:49.553","vulnerabilities":[{"cve":{"id":"CVE-2026-32129","sourceIdentifier":"security-advisories@github.com","published":"2026-03-12T18:16:25.097","lastModified":"2026-06-17T10:35:11.267","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"soroban-poseidon provides Poseidon and Poseidon2 cryptographic hash functions for Soroban smart contracts. Poseidon V1 (PoseidonSponge) accepts variable-length inputs without injective padding. When a caller provides fewer inputs than the sponge rate (inputs.len() < T - 1), unused rate positions are implicitly zero-filled. This allows trivial hash collisions: for any input vector [m1, ..., mk] hashed with a sponge of rate > k, hash([m1, ..., mk]) equals hash([m1, ..., mk, 0]) because both produce identical pre-permutation states. This affects any use of PoseidonSponge or poseidon_hash where the number of inputs is less than T - 1 (e.g., hashing 1 input with T=3). Poseidon2 (Poseidon2Sponge) is not affected."},{"lang":"es","value":"soroban-poseidon proporciona funciones hash criptográficas Poseidon y Poseidon2 para contratos inteligentes de Soroban. Poseidon V1 (PoseidonSponge) acepta entradas de longitud variable sin relleno inyectivo. Cuando un llamador proporciona menos entradas que la tasa de la esponja (inputs.len() &lt; T - 1), las posiciones de tasa no utilizadas se rellenan implícitamente con ceros. Esto permite colisiones hash triviales: para cualquier vector de entrada [m1, ..., mk] hasheado con una esponja de tasa &gt; k, hash([m1, ..., mk]) es igual a hash([m1, ..., mk, 0]) porque ambos producen estados de pre-permutación idénticos. Esto afecta cualquier uso de PoseidonSponge o poseidon_hash donde el número de entradas es menor que T - 1 (p. ej., hashear 1 entrada con T=3). Poseidon2 (Poseidon2Sponge) no se ve afectado."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"stellar","product":"rs-soroban-poseidon","versions":[{"version":"< 25.0.1","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/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","baseScore":8.7,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-03-13T16:23:48.432393Z","id":"CVE-2026-32129","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-328"}]}],"references":[{"url":"https://github.com/stellar/rs-soroban-poseidon/pull/10","source":"security-advisories@github.com"},{"url":"https://github.com/stellar/rs-soroban-poseidon/releases/tag/v25.0.1","source":"security-advisories@github.com"},{"url":"https://github.com/stellar/rs-soroban-poseidon/security/advisories/GHSA-g2p6-hh5v-7hfm","source":"security-advisories@github.com"}]}}]}