# append-only-vec (crates.io) vulnerabilities

Source: https://junglewise.ai/threats/technologies/append-only-vec  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/append-only-vec.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in append-only-vec (crates.io): 0 in the last 7 days and 3 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-77651, was published on 21 August 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 3
- All time: 3 (2 critical, 0 exploited in the wild)

## About append-only-vec (crates.io)

Rust library implementing an append-only vector data structure for concurrent write access.

## Latest append-only-vec (crates.io) vulnerabilities

- [CVE-2026-77651: arrayref crate malicious dependency code execution at build time](https://junglewise.ai/threats/cve-2026-77651-arrayref-crate-malicious-dependency-code-execution-at-build-time) (critical, CVSS 9.8, published 21 Aug 2026)
- [CVE-2026-77650: append-only-vec crate malicious build script supply chain attack](https://junglewise.ai/threats/cve-2026-77650-append-only-vec-crate-malicious-build-script-supply-chain-attack) (critical, CVSS 9.8, published 21 Aug 2026)
- [RUSTSEC-2026-0262 - `append-only-vec` 0.1.9 was removed from crates.io due to a malicious dependency](https://junglewise.ai/threats/rustsec-2026-0262-append-only-vec-0-1-9-was-removed-from-crates-io-due-eb5fad8a) (info, published 20 Aug 2026)

## Most severe append-only-vec (crates.io) vulnerabilities

- [CVE-2026-77651: arrayref crate malicious dependency code execution at build time](https://junglewise.ai/threats/cve-2026-77651-arrayref-crate-malicious-dependency-code-execution-at-build-time) (critical, CVSS 9.8, published 21 Aug 2026)
- [CVE-2026-77650: append-only-vec crate malicious build script supply chain attack](https://junglewise.ai/threats/cve-2026-77650-append-only-vec-crate-malicious-build-script-supply-chain-attack) (critical, CVSS 9.8, published 21 Aug 2026)
- [RUSTSEC-2026-0262 - `append-only-vec` 0.1.9 was removed from crates.io due to a malicious dependency](https://junglewise.ai/threats/rustsec-2026-0262-append-only-vec-0-1-9-was-removed-from-crates-io-due-eb5fad8a) (info, published 20 Aug 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 3 | 2 | 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 crates.io technologies

- [surrealdb (crates.io)](https://junglewise.ai/threats/technologies/surrealdb): 83 vulnerabilities
- [wasmtime (crates.io)](https://junglewise.ai/threats/technologies/wasmtime): 67 vulnerabilities
- [deno (crates.io)](https://junglewise.ai/threats/technologies/deno): 39 vulnerabilities
- [zebrad (crates.io)](https://junglewise.ai/threats/technologies/zebrad): 27 vulnerabilities
- [russh (crates.io)](https://junglewise.ai/threats/technologies/crates-io-russh): 26 vulnerabilities
- [openssl-src (crates.io)](https://junglewise.ai/threats/technologies/openssl-src): 26 vulnerabilities
- [openssl (crates.io)](https://junglewise.ai/threats/technologies/crates-io-openssl): 25 vulnerabilities
- [rustfs (crates.io)](https://junglewise.ai/threats/technologies/rustfs): 25 vulnerabilities
- [coreutils (crates.io)](https://junglewise.ai/threats/technologies/crates-io-coreutils): 21 vulnerabilities
- [ckb (crates.io)](https://junglewise.ai/threats/technologies/ckb): 19 vulnerabilities
- [apollo-router (crates.io)](https://junglewise.ai/threats/technologies/apollo-router): 13 vulnerabilities
- [deepseek-tui (crates.io)](https://junglewise.ai/threats/technologies/deepseek-tui): 13 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, "append-only-vec (crates.io) vulnerabilities", https://junglewise.ai/threats/technologies/append-only-vec, 9 November 2026.