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CVE-2026-32605

HIGH

7.5

Description

nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.3.0, an untrusted peer could crash a validator by publishing a signed tendermint proposal message where signer == validators.num_validators(). ProposalSender::send uses > instead of >= for the signer bounds check, so the equality case passes and reaches validators.get_validator_by_slot_band(signer), which panics with an out-of-bounds index before any signature verification runs. This issue has been fixed in version 1.3.0.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/13/2026

Last Modified4/17/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-125CWE-193

References

https://github.com/nimiq/core-rs-albatross/commit/9199364b60c7acae4219800d194bbe07d2997b8c(security-advisories@github.com)

https://github.com/nimiq/core-rs-albatross/pull/3661(security-advisories@github.com)

https://github.com/nimiq/core-rs-albatross/releases/tag/v1.3.0(security-advisories@github.com)

https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-g99c-h7j7-rfhv(security-advisories@github.com)

IOC Correlations

No correlations recorded

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