Versions of the package ssrfcheck before 1.2.0 are vulnerable to Server-Side Request Forgery (SSRF) due to an incomplete denylist of IP address ranges. Specifically, the package fails to classify the reserved IP address space 224.0.0.0/4 (Multicast) as invalid. This oversight allows attackers to craft requests targeting these multicast addresses.
CVE-2025-8267
This high-severity CVE scores 8.2 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 87% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.3
- EG Score
- 8.2(medium)
- EPSS
- 36.5%
- KEV
- Not listed
Published
July 28, 2025
Last Modified
June 17, 2026
Advisory Details (4)
Auto-updated May 3, 2026Server-Side Request Forgery (SSRF) in ssrfcheck | CVE-2025-8267 | Snyk
https://security.snyk.io/vuln/SNYK-JS-SSRFCHECK-9510756SSRF Bypass in ssrfcheck - fails to classify reserved IP address space as invalid (Snyk) · Issue #5 · felippe-regazio/ssrfcheck · GitHub
https://github.com/felippe-regazio/ssrfcheck/issues/5added 224.0.0.0/4 as private address - https://gist.github.com/lirant… · felippe-regazio/ssrfcheck@9507b49 · GitHub
https://github.com/felippe-regazio/ssrfcheck/commit/9507b49fd764f2a1a1d1e3b9ee577b7545e6950eSSRF Bypass in `ssrfcheck` - fails to classify reserved IP address space as invalid · GitHub
https://gist.github.com/lirantal/2976840639df824cb3abe60d13c65e04Affected Packages
(1 across 1 ecosystem)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ssrfcheck | — | 1.2.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 47× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-10 08:52 UTCOSV refresh
- 2026-07-09 19:10 UTCEPSS rescore
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- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 09:53 UTCNVD updateCVSS v3 → 5.3 · CVSS v4 → 7.8 · severity → MEDIUM
- 2026-06-23 21:32 UTCEPSS rescore
- 2026-06-22 14:25 UTCEPSS rescore
- 2026-06-22 14:25 UTCEPSS rescore
- 2026-06-21 19:13 UTCOSV refresh
- 2026-06-21 14:56 UTCEPSS rescore
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- 2026-06-04 13:12 UTCEPSS rescore
- 2026-06-04 13:12 UTCEPSS rescore
- 2026-06-02 22:10 UTCOSV refresh
- 2026-06-02 20:13 UTCEPSS rescore
- 2026-06-01 13:51 UTCEPSS rescore
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- 2026-05-24 16:58 UTCEPSS rescore
- 2026-05-23 00:09 UTCEG score recompute
- 2026-05-22 21:16 UTCEPSS rescore
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- 2026-05-21 22:43 UTCEPSS rescore
- 2026-05-21 10:38 UTCEG score recompute
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- 2026-05-18 21:31 UTCEPSS rescore
Related CVEs(same CWE)
Same CWE
10 shownCWE-918
Frequently asked(5)
What is CVE-2025-8267?
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Dependency Blast Radius
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