# Botan Project Botan vulnerabilities

Source: https://junglewise.ai/threats/technologies/botan  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 10 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/botan.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 6 vulnerabilities in Botan Project Botan: 1 in the last 7 days and 3 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-104267, was published on 6 November 2026. 3 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 1
- Last 30 days: 3
- Last 90 days: 3
- All time: 6 (1 critical, 0 exploited in the wild)

## About Botan Project Botan

Botan is a cryptography library providing algorithms for encryption, hashing, and digital signatures.

## Latest Botan Project Botan vulnerabilities

- [CVE-2026-104267: Botan Scrypt integer overflow in memory calculation](https://junglewise.ai/threats/cve-2026-104267-botan-is-a-c-cryptography-library-from-2-7-0-until-3-13-0-botan) (info, published 6 Nov 2026)
- [CVE-2026-118769: Botan integer overflow in block cipher block size FFI](https://junglewise.ai/threats/cve-2026-118769-botan-is-a-c-cryptography-library-from-2-1-0-until-3-13-0-the) (info, published 29 Oct 2026)
- [CVE-2026-118766: Botan SSRF via HTTP redirect in OCSP client](https://junglewise.ai/threats/cve-2026-118766-botan-is-a-c-cryptography-library-prior-to-3-13-0-botan-s-online) (medium, CVSS 6.1, published 29 Oct 2026)
- [CVE-2026-44378: Botan denial of service via quadratic BER decoding complexity](https://junglewise.ai/threats/cve-2026-44378-botan-denial-of-service-via-quadratic-ber-decoding-complexity) (info, CVSS 6.9, published 27 May 2026)
- [CVE-2026-34582: Botan TLS 1.3 client authentication bypass](https://junglewise.ai/threats/cve-2026-34582-botan-tls-1-3-client-authentication-bypass) (critical, CVSS 9.1, published 7 Apr 2026)
- [CVE-2026-34580: Botan certificate validation bypass in Certificate_Store](https://junglewise.ai/threats/cve-2026-34580-botan-certificate-validation-bypass-in-certificate-store) (high, CVSS 7.5, published 7 Apr 2026)

## Most severe Botan Project Botan vulnerabilities

- [CVE-2026-34582: Botan TLS 1.3 client authentication bypass](https://junglewise.ai/threats/cve-2026-34582-botan-tls-1-3-client-authentication-bypass) (critical, CVSS 9.1, published 7 Apr 2026)
- [CVE-2026-34580: Botan certificate validation bypass in Certificate_Store](https://junglewise.ai/threats/cve-2026-34580-botan-certificate-validation-bypass-in-certificate-store) (high, CVSS 7.5, published 7 Apr 2026)
- [CVE-2026-118766: Botan SSRF via HTTP redirect in OCSP client](https://junglewise.ai/threats/cve-2026-118766-botan-is-a-c-cryptography-library-prior-to-3-13-0-botan-s-online) (medium, CVSS 6.1, published 29 Oct 2026)
- [CVE-2026-44378: Botan denial of service via quadratic BER decoding complexity](https://junglewise.ai/threats/cve-2026-44378-botan-denial-of-service-via-quadratic-ber-decoding-complexity) (info, CVSS 6.9, published 27 May 2026)
- [CVE-2026-104267: Botan Scrypt integer overflow in memory calculation](https://junglewise.ai/threats/cve-2026-104267-botan-is-a-c-cryptography-library-from-2-7-0-until-3-13-0-botan) (info, published 6 Nov 2026)
- [CVE-2026-118769: Botan integer overflow in block cipher block size FFI](https://junglewise.ai/threats/cve-2026-118769-botan-is-a-c-cryptography-library-from-2-1-0-until-3-13-0-the) (info, published 29 Oct 2026)

## Vulnerabilities per week

3 vulnerabilities in the last four weeks, up from none in the four before.

| 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 | 2 | 0 | 0 |
| 2 Nov 2026 | 1 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## 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, "Botan Project Botan vulnerabilities", https://junglewise.ai/threats/technologies/botan, 10 November 2026.