CVE-2026-46545: nimiq-primitives Denial of Service Vulnerability
HIGHCVE-2026-46545 is a HIGH (CVSS 7.5) denial of service vulnerability (CWE-248: Uncaught Exception) affecting nimiq-primitives libraries in the crates.io ecosystem. The issue involves panic dos in trie chunk processing via root-keyed item. Remediation is available by upgrading affected packages to version 1.5.0.
CVE-2026-46545 at a Glance
Security Impact
CVSS: 7.5
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
How to Fix CVE-2026-46545
To remediate this vulnerability, upgrade all affected nimiq-primitives dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade nimiq-primitives to 1.5.0Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for nimiq-primitivesHow to Check if You Are Affected
To determine whether your application is affected by CVE-2026-46545, inspect your project dependencies for nimiq-primitives:
inspect dependencies for nimiq-primitivesAnalyze the terminal output to locate any version of nimiq-primitives in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.5.0), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-248: Uncaught Exception, where an exception is thrown from a function, but it is not caught. In nimiq-primitives, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2026-46545 Affected nimiq-primitives Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
nimiq-primitives
|
crates.io |
< 1.5.0
|
1.5.0
|
References
Frequently Asked Questions
What is CVE-2026-46545?
Which nimiq-primitives versions are affected?
What version fixes CVE-2026-46545?
Is nimiq-primitives affected?
What is the CVSS score of CVE-2026-46545?
What CWE is associated with CVE-2026-46545?
How can I check crates.io dependencies for CVE-2026-46545?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-mw3q-r9wh-h2ff",
"modified" : "2026-06-10T13:41:41Z",
"published" : "2026-05-21T19:50:31Z",
"aliases" : [ "CVE-2026-46545" ],
"summary" : "nimiq-primitives: Panic DoS in trie chunk processing via ROOT-keyed item",
"details" : "### Impact\n\nA remote, unauthenticated denial-of-service vulnerability in `MerkleRadixTrie::put_chunk` allows any state-sync peer to crash any node performing state synchronization (freshly joining nodes and recovering nodes).\n\nA malicious peer can respond to a `RequestChunk` with a `ResponseChunk::Chunk` whose first `TrieItem.key` is the empty (ROOT) key. The chunk passes sorting, range, and Merkle-proof validation, but when `put_raw` tries to store a value at the root node, it calls `TrieNode::put_value(...).unwrap()`, which returns `Err(RootCantHaveValue)` and panics, aborting the node process. The panic fires on the first malicious chunk the victim commits; no rate limit or authentication gate caps the attack.\n\nImpacted: any node running state sync against untrusted peers — this includes fresh nodes performing initial download and existing nodes recovering from data loss. Honest nodes never construct ROOT-keyed items, so non-syncing operation is unaffected.\n\n### Patches\n\nSee [PR](https://github.com/nimiq/core-rs-albatross/pull/3762).\n\n### Workarounds\n\nThere is no safe in-process workaround: any peer serving state-sync data can trigger the crash and the code path is not guarded by a feature flag.\n\n### Resources\n\n- Fix commit: (link to the merged PR commit, once merged)\n- Affected code: [`primitives/trie/src/trie.rs`](https://github.com/nimiq/core-rs-albatross/blob/albatross/primitives/trie/src/trie.rs) — `put_chunk` (around line 819) and `put_raw` (around line 351)",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "crates.io",
"name" : "nimiq-primitives"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "1.5.0"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-mw3q-r9wh-h2ff"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-46545"
}, {
"type" : "WEB",
"url" : "https://github.com/nimiq/core-rs-albatross/pull/3762"
}, {
"type" : "WEB",
"url" : "https://github.com/nimiq/core-rs-albatross/commit/0fb8766adea91e038af00e635a6eb92756e50172"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/nimiq/core-rs-albatross"
}, {
"type" : "WEB",
"url" : "https://github.com/nimiq/core-rs-albatross/releases/tag/v1.5.0"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-248" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2026-05-21T19:50:31Z",
"nvd_published_at" : "2026-06-10T00:16:54Z"
}
}