# github.com/cometbft/cometbft (Go) vulnerabilities

Source: https://junglewise.ai/threats/technologies/github-com-cometbft-cometbft  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/github-com-cometbft-cometbft.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 19 vulnerabilities in github.com/cometbft/cometbft (Go): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, GO-2026-4361 - Inconsistencies between how commit signatures are verified and…, was published on 19 February 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 19 (0 critical, 0 exploited in the wild)

## About github.com/cometbft/cometbft (Go)

CometBFT is a Byzantine Fault Tolerant state machine replication engine for building decentralized applications.

## Latest github.com/cometbft/cometbft (Go) vulnerabilities

- [GO-2026-4361 - Inconsistencies between how commit signatures are verified and how block time is derived in…](https://junglewise.ai/threats/go-2026-4361-inconsistencies-between-how-commit-signatures-are-verified-92e2eeac) (info, published 19 Feb 2026)
- [CometBFT has inconsistencies between how commit signatures are verified and how block time is derived](https://junglewise.ai/threats/cometbft-has-inconsistencies-between-how-commit-signatures-are-verified-17e99f94) (medium, CVSS 4, published 23 Jan 2026)
- [GO-2025-4025 - CometBFT's invalid BitArray handling can lead to network halt in github.com/cometbft/cometbft](https://junglewise.ai/threats/go-2025-4025-cometbft-s-invalid-bitarray-handling-can-lead-to-network-6ea1281e) (info, published 18 Nov 2025)
- [CometBFT's invalid BitArray handling can lead to network halt](https://junglewise.ai/threats/cometbft-s-invalid-bitarray-handling-can-lead-to-network-halt-df96de9f) (medium, CVSS 4, published 14 Oct 2025)
- [CVE-2025-24371: GO-2025-3442 - CometBFT allows a malicious peer to make node stuck in blocksync in github.com/cometbft/cometbft](https://junglewise.ai/threats/cve-2025-24371-cometbft-allows-a-malicious-peer-to-make-node-stuck-in-blocksync) (medium, CVSS 4, published 4 Feb 2025)
- [GO-2025-3443 - CometBFT allows a malicious peer to stall network by disseminating valid-looking block parts in…](https://junglewise.ai/threats/go-2025-3443-cometbft-allows-a-malicious-peer-to-stall-network-by-84bcffee) (info, published 4 Feb 2025)
- [CometBFT allows a malicious peer to stall the network by disseminating seemingly valid block parts](https://junglewise.ai/threats/cometbft-allows-a-malicious-peer-to-stall-the-network-by-disseminating-9a217afc) (info, published 3 Feb 2025)
- [GO-2024-3259 - CometBFT Vote Extensions: Panic when receiving a Pre-commit with an invalid data in github.com/cometbft/cometbft](https://junglewise.ai/threats/go-2024-3259-cometbft-vote-extensions-panic-when-receiving-a-pre-commit-fe442aba) (info, published 20 Nov 2024)
- [CometBFT denial of service via invalid ValidatorIndex in Vote Extensions](https://junglewise.ai/threats/cometbft-denial-of-service-via-invalid-validatorindex-in-vote-1383acab) (high, CVSS 8.3, published 6 Nov 2024)
- [GO-2024-3112 - CometBFT's state syncing validator from malicious node may lead to a chain split github.com/cometbft/cometbft](https://junglewise.ai/threats/go-2024-3112-cometbft-s-state-syncing-validator-from-malicious-node-may-7305cdf2) (info, published 13 Sep 2024)
- [CometBFT's state syncing validator from malicious node may lead to a chain split](https://junglewise.ai/threats/cometbft-s-state-syncing-validator-from-malicious-node-may-lead-to-a-f4503c58) (low, CVSS 3.1, published 3 Sep 2024)
- [GO-2024-2951 - Denial of service when syncing with a malicious peer in github.com/cometbft/cometbft](https://junglewise.ai/threats/go-2024-2951-denial-of-service-when-syncing-with-a-malicious-peer-in-af5d9ca8) (info, published 2 Jul 2024)
- [CometBFT is unstability during blocksync when syncing from malicious peer](https://junglewise.ai/threats/cometbft-is-unstability-during-blocksync-when-syncing-from-malicious-606736e5) (info, published 28 Jun 2024)
- [ASA-2024-004: Default configuration param for Evidence may limit window of validity](https://junglewise.ai/threats/asa-2024-004-default-configuration-param-for-evidence-may-limit-window-3189bf12) (info, published 28 Feb 2024)
- [GO-2024-2471 - Chain halt panic in github.com/cometbft/cometbft](https://junglewise.ai/threats/go-2024-2471-chain-halt-panic-in-github-com-cometbft-cometbft-739414b4) (info, published 23 Jan 2024)
- [Validation of `VoteExtensionsEnableHeight` can cause chain halt in Go package github.com/cometbft/cometbft](https://junglewise.ai/threats/validation-of-voteextensionsenableheight-can-cause-chain-halt-in-go-0d51489e) (info, published 19 Jan 2024)
- [CometBFT's default for `BlockParams.MaxBytes` consensus parameter may increase block times and affect consensus participation](https://junglewise.ai/threats/cometbft-s-default-for-blockparams-maxbytes-consensus-parameter-may-66fa0bb9) (info, published 29 Sep 2023)
- [CVE-2023-34451: GO-2023-1883 - Denial of service via OOM in github.com/cometbft/cometbft](https://junglewise.ai/threats/cve-2023-34451-cometbft-may-duplicate-transactions-in-the-mempool-s-data) (low, CVSS 3.1, published 13 Jul 2023)
- [CVE-2023-34450: GO-2023-1882 - Deadlock in github.com/cometbft/cometbft/consensus](https://junglewise.ai/threats/cve-2023-34450-cometbft-peerstate-json-serialization-deadlock) (low, CVSS 3.1, published 6 Jul 2023)

## Most severe github.com/cometbft/cometbft (Go) vulnerabilities

- [CometBFT denial of service via invalid ValidatorIndex in Vote Extensions](https://junglewise.ai/threats/cometbft-denial-of-service-via-invalid-validatorindex-in-vote-1383acab) (high, CVSS 8.3, published 6 Nov 2024)
- [CVE-2025-24371: GO-2025-3442 - CometBFT allows a malicious peer to make node stuck in blocksync in github.com/cometbft/cometbft](https://junglewise.ai/threats/cve-2025-24371-cometbft-allows-a-malicious-peer-to-make-node-stuck-in-blocksync) (medium, CVSS 4, published 4 Feb 2025)
- [CometBFT has inconsistencies between how commit signatures are verified and how block time is derived](https://junglewise.ai/threats/cometbft-has-inconsistencies-between-how-commit-signatures-are-verified-17e99f94) (medium, CVSS 4, published 23 Jan 2026)
- [CometBFT's invalid BitArray handling can lead to network halt](https://junglewise.ai/threats/cometbft-s-invalid-bitarray-handling-can-lead-to-network-halt-df96de9f) (medium, CVSS 4, published 14 Oct 2025)
- [CVE-2023-34451: GO-2023-1883 - Denial of service via OOM in github.com/cometbft/cometbft](https://junglewise.ai/threats/cve-2023-34451-cometbft-may-duplicate-transactions-in-the-mempool-s-data) (low, CVSS 3.1, published 13 Jul 2023)
- [CVE-2023-34450: GO-2023-1882 - Deadlock in github.com/cometbft/cometbft/consensus](https://junglewise.ai/threats/cve-2023-34450-cometbft-peerstate-json-serialization-deadlock) (low, CVSS 3.1, published 6 Jul 2023)
- [CometBFT's state syncing validator from malicious node may lead to a chain split](https://junglewise.ai/threats/cometbft-s-state-syncing-validator-from-malicious-node-may-lead-to-a-f4503c58) (low, CVSS 3.1, published 3 Sep 2024)
- [GO-2026-4361 - Inconsistencies between how commit signatures are verified and how block time is derived in…](https://junglewise.ai/threats/go-2026-4361-inconsistencies-between-how-commit-signatures-are-verified-92e2eeac) (info, published 19 Feb 2026)
- [GO-2025-4025 - CometBFT's invalid BitArray handling can lead to network halt in github.com/cometbft/cometbft](https://junglewise.ai/threats/go-2025-4025-cometbft-s-invalid-bitarray-handling-can-lead-to-network-6ea1281e) (info, published 18 Nov 2025)
- [GO-2025-3443 - CometBFT allows a malicious peer to stall network by disseminating valid-looking block parts in…](https://junglewise.ai/threats/go-2025-3443-cometbft-allows-a-malicious-peer-to-stall-network-by-84bcffee) (info, published 4 Feb 2025)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Go technologies

- [github.com/mattermost/mattermost-server (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server): 297 vulnerabilities
- [github.com/mattermost/mattermost-server/v6 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v6): 222 vulnerabilities
- [github.com/mattermost/mattermost/server/v8 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v8): 207 vulnerabilities
- [github.com/mattermost/mattermost-server/v5 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v5): 199 vulnerabilities
- [stdlib (Go)](https://junglewise.ai/threats/technologies/go-stdlib): 178 vulnerabilities
- [github.com/siyuan-note/siyuan/kernel (Go)](https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan-kernel): 160 vulnerabilities
- [code.gitea.io/gitea (Go)](https://junglewise.ai/threats/technologies/code-gitea-io-gitea): 126 vulnerabilities
- [code.vikunja.io/api (Go)](https://junglewise.ai/threats/technologies/code-vikunja-io-api): 91 vulnerabilities
- [gogs.io/gogs (Go)](https://junglewise.ai/threats/technologies/gogs-io-gogs): 81 vulnerabilities
- [github.com/traefik/traefik/v2 (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik-v2): 78 vulnerabilities
- [github.com/traefik/traefik (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik): 75 vulnerabilities
- [github.com/usememos/memos (Go)](https://junglewise.ai/threats/technologies/github-com-usememos-memos): 75 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "github.com/cometbft/cometbft (Go) vulnerabilities", https://junglewise.ai/threats/technologies/github-com-cometbft-cometbft, 13 November 2026.
