# Rsyslog vulnerabilities

Source: https://junglewise.ai/threats/technologies/rsyslog  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 11 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/rsyslog.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Rsyslog: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-92709, was published on 22 October 2026. 1 vulnerability in the last four weeks, level on the four before (1).

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 3
- All time: 4 (0 critical, 0 exploited in the wild)

## About Rsyslog

Open source system logging daemon for processing and forwarding log messages.

## Latest Rsyslog vulnerabilities

- [CVE-2026-92709: rsyslog omfile dynaFile path traversal](https://junglewise.ai/threats/cve-2026-92709-rsyslog-is-a-rocket-fast-system-for-log-processing-from-versions) (high, CVSS 8.1, published 22 Oct 2026)
- [CVE-2026-55556: Rsyslog imhttp heap buffer overflow in Basic Authentication parsing](https://junglewise.ai/threats/cve-2026-55556-rsyslog-is-a-rocket-fast-system-for-log-processing-from-8-2110-0) (info, published 18 Sep 2026)
- [CVE-2026-78002: rsyslog heap buffer overflow in RainerScript replace function](https://junglewise.ai/threats/cve-2026-78002-rsyslog-heap-buffer-overflow-in-rainerscript-replace-function) (high, CVSS 7.5, published 27 Aug 2026)
- [CVE-2026-19654: rsyslog denial of service in imptcp module](https://junglewise.ai/threats/cve-2026-19654-rsyslog-denial-of-service-in-imptcp-module) (high, CVSS 7.5, published 12 Aug 2026)

## Most severe Rsyslog vulnerabilities

- [CVE-2026-92709: rsyslog omfile dynaFile path traversal](https://junglewise.ai/threats/cve-2026-92709-rsyslog-is-a-rocket-fast-system-for-log-processing-from-versions) (high, CVSS 8.1, published 22 Oct 2026)
- [CVE-2026-78002: rsyslog heap buffer overflow in RainerScript replace function](https://junglewise.ai/threats/cve-2026-78002-rsyslog-heap-buffer-overflow-in-rainerscript-replace-function) (high, CVSS 7.5, published 27 Aug 2026)
- [CVE-2026-19654: rsyslog denial of service in imptcp module](https://junglewise.ai/threats/cve-2026-19654-rsyslog-denial-of-service-in-imptcp-module) (high, CVSS 7.5, published 12 Aug 2026)
- [CVE-2026-55556: Rsyslog imhttp heap buffer overflow in Basic Authentication parsing](https://junglewise.ai/threats/cve-2026-55556-rsyslog-is-a-rocket-fast-system-for-log-processing-from-8-2110-0) (info, published 18 Sep 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, level on the four before (1).

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 1 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 1 | 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 | 1 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 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, "Rsyslog vulnerabilities", https://junglewise.ai/threats/technologies/rsyslog, 11 November 2026.