CVE-2026-44363 json
Unsafe remote resource fetching in expansion misp-modules
published 6mo ago modified 3d ago also GHSA-fhq3-2gf3-8f3j , PYSEC-2026-2650 , EUVD-2026-30153
- cvss
- 5.8
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 0%
- public exploits
- 0
- none known
Summary
MISP modules are autonomous modules that can be used to extend MISP for new services. Prior to 3.0.7, an unsafe remote resource fetching vulnerability existed in MISP Modules expansion modules. The html_to_markdown module accepted arbitrary HTTP(S) URLs without sufficient validation, which could allow Server-Side Request Forgery against loopback, private, or link-local network resources. Additionally, the qrcode module disabled TLS certificate verification when retrieving remote images, exposing requests to potential man-in-the-middle interception or response tampering. The issue was fixed by validating URL schemes, blocking local and private address ranges, resolving hostnames before fetching, enforcing request timeouts, and re-enabling TLS certificate verification. This vulnerability is fixed in 3.0.7.
Patch / fix
- pypi misp-modules 3.0.8
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5mo ago
Exploit prediction
0.10% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.8 | CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H |
| CNA | 4.0 | 5.8 | CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | misp-modules | <3.0.8 <=3.0.7 |
3.0.8 |
Affected products
- MISP misp-modules
Classification
References
-
github.com
/MISP/misp-modules/commit/01a522f2772fc31eeed379ccf23750c8a3d401db
web
-
github.com
/MISP/misp-modules/commit/52cda9caa003cafe87e14ae3721db5e16f6f111a
web
-
github.com
/MISP/misp-modules/security/advisories/GHSA-fhq3-2gf3-8f3j
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-44363
advisory
-
github.com
/MISP/misp-modules
package
-
github.com
/advisories/GHSA-fhq3-2gf3-8f3j
advisory
-
github.com
/pypa/advisory-database/tree/main/vulns/misp-modules/PYSEC-2026-2650.yaml
web
-
pypi.org
/project/misp-modules
web, package
Sources
- CVE List CVE-2026-44363
- GitHub Advisory GHSA-fhq3-2gf3-8f3j
- NVD CVE-2026-44363
- OSV PYSEC-2026-2650
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