Answer in brief
CVE-2026-102489 records a High severity (CVSS 8.7) vulnerability in Undisclosed RCE in Zammad v6.3 and higher. The current sources mark it as known exploited. The current feed maps Zammad GmbH/Zammad (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.7. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Zammad GmbH/Zammad (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:a:docker:docker:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Zammad GmbH/Zammadgeneric | >=6.3.0 <6.5.4 | 6.5.4 |
Published upstream
Sep 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 30, 2026
Added to CISA KEV
Oct 2, 2026
Evidence: source:kev:kev:kev:recordZammad versions 6.3.0 to 6.5.4 are vulnerable a session hijack vulnerability that leads to remote code execution as the zammad user. The bug is also present in version 7.0.0 to version 7.1.2, but not exploitable due to changes in the underlying framework.
Quoted source text, attributed separately from HOL analysis.