CVE-2026-51031

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-21. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this weekElevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

FlareSolverr before version 3.4.7 contains a server-side request forgery (SSRF) vulnerability in the /v1 API endpoint. This allows a remote attacker to obtain sensitive information

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
65(Attend)
EG Risk 65/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
21%
KEV
Not listed

Published

July 20, 2026

Last Modified

July 21, 2026

Advisory Details (1)

Auto-updated Jul 21, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

FlareSolverr Server-Side Request Forgery (SSRF) Vulnerability Report | Xinyi's blog

https://xinyi234.github.io/2026/04/13/FlareSolverr-Server-Side-Request-Forgery-SSRF-Vulnerability-Report/

Vendor Advisories for CVE-2026-51031(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 19× in last 7d / 19× 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.

  1. 2026-07-26 23:25 UTCEG score recompute
  2. 2026-07-26 23:25 UTCGHSA enrichment
  3. 2026-07-26 14:54 UTCEPSS rescore
  4. 2026-07-26 10:50 UTCEG score recompute
  5. 2026-07-26 10:50 UTCGHSA enrichment
  6. 2026-07-25 14:18 UTCEPSS rescore
  7. 2026-07-24 14:18 UTCEPSS rescore
  8. 2026-07-23 14:18 UTCEPSS rescore
  9. 2026-07-23 03:19 UTCEG score recompute
  10. 2026-07-22 23:54 UTCEG score recompute
  11. 2026-07-22 23:53 UTCGHSA enrichment
  12. 2026-07-22 14:08 UTCEPSS rescore
  13. 2026-07-21 15:26 UTCEG score recompute▲ 7.50
  14. 2026-07-21 15:25 UTCGHSA enrichment
  15. 2026-07-21 15:25 UTCEPSS rescore
  16. 2026-07-21 15:23 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  17. 2026-07-20 22:41 UTCNVD update
  18. 2026-07-20 21:48 UTCEG score recompute
  19. 2026-07-20 21:47 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-51031?
CVE-2026-51031 is a high vulnerability published on July 20, 2026. FlareSolverr before version 3.4.7 contains a server-side request forgery (SSRF) vulnerability in the /v1 API endpoint. This allows a remote attacker to obtain sensitive information
When was CVE-2026-51031 disclosed?
CVE-2026-51031 was first published in the National Vulnerability Database on July 20, 2026, with the most recent update on July 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-51031 actively exploited?
CVE-2026-51031 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 79.0% of all scored CVEs.
What is the CVSS score of CVE-2026-51031?
CVE-2026-51031 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-51031?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-51031, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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