Answer in brief
CVE-2026-124503 records a Medium severity (CVSS 5.3) vulnerability in sooperset mcp-atlassian io.py validate_safe_path path traversal. The current sources do not mark it as known exploited. The current feed maps sooperset/mcp-atlassian (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 5.3. The current sources do not mark it as known exploited. 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 sooperset/mcp-atlassian (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| sooperset/mcp-atlassiangeneric | 0.1 || 0.2 || 0.3 || 0.4 || 0.5 || 0.6 || 0.7 || 0.8 || 0.9 || 0.10 || 0.11 || 0.12 || 0.13 || 0.14 || 0.15 || 0.16 || 0.17 || 0.18 || 0.19 || 0.20 || 0.21 || 0.22 || 0.23 || 0.24.0 | Not reported |
Published upstream
Nov 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 10, 2026
A vulnerability was identified in sooperset mcp-atlassian up to 0.24.0. This issue affects the function validate_safe_path of the file src/mcp_atlassian/utils/io.py. The manipulation of the argument path leads to path traversal. The attack may be initiated remotely. The exploit is publicly available and might be used. Upgrading to version 0.24.1 is capable of addressing this issue. Upgrading the affected component is recommended. This CVE was requested by the vendor.
Quoted source text, attributed separately from HOL analysis.