CVE-2026-41271

HIGHNVD 8.38.3—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.3 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 70% 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).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
8.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.3Exploit: NoneExposed: 0

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

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, a Server-Side Request Forgery (SSRF) vulnerability exists in FlowiseAI's POST/GET API Chain components that allows unauthenticated attackers to force the server to make arbitrary HTTP requests to internal and external systems. By injecting malicious prompt templates, attackers can bypass the intended API documentation constraints and redirect requests to sensitive internal services, potentially leading to internal network reconnaissance and data exfiltration. This vulnerability is fixed in 3.1.0.

CVSS v3
8.3
EG Score
8.3(medium)
EPSS
14.1%
KEV
Not listed

Published

April 23, 2026

Last Modified

April 24, 2026

Advisory Details (1)

Auto-updated May 4, 2026
🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available

Flowise <= 2.2.1 APIChain Prompt Injection SSRF in GET/POST API Chains · Advisory · FlowiseAI/Flowise · GitHub

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-6r77-hqx7-7vw8

Affected Packages

(2 across 1 ecosystem)
npm(2)
PackageVulnerable rangeFixed inDependents
flowise—3.1.0—
flowise-components—3.1.0—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 37× 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. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-09 19:10 UTCEPSS rescore
  3. 2026-07-08 15:15 UTCEPSS rescore
  4. 2026-07-07 13:46 UTCEPSS rescore
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  1. 2026-06-19 19:25 UTCEPSS rescore
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  6. 2026-06-15 17:49 UTCEPSS rescore
  7. 2026-06-14 23:12 UTCEG score recompute
  8. 2026-06-14 12:17 UTCEG score recompute
  9. 2026-06-13 23:00 UTCEPSS rescore
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  12. 2026-06-12 12:25 UTCEG score recompute
  13. 2026-06-12 01:21 UTCEG score recompute
  14. 2026-06-11 14:24 UTCEG score recompute
  15. 2026-06-11 14:00 UTCEPSS rescore
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  17. 2026-06-10 22:18 UTCEPSS rescore
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  20. 2026-06-10 12:05 UTCEG score recompute
  21. 2026-06-10 01:11 UTCEG score recompute
  22. 2026-06-09 14:16 UTCEG score recompute
  23. 2026-06-09 03:22 UTCEG score recompute
  24. 2026-06-08 14:17 UTCEPSS rescore
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  26. 2026-06-08 04:36 UTCEG score recompute
  27. 2026-06-07 17:40 UTCEG score recompute
  28. 2026-06-07 15:25 UTCEPSS rescore
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  30. 2026-06-07 06:45 UTCEG score recompute
  31. 2026-06-06 19:47 UTCEG score recompute
  32. 2026-06-06 13:47 UTCEPSS rescore
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  34. 2026-06-06 08:52 UTCEG score recompute
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  38. 2026-06-05 06:10 UTCEPSS rescore
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  40. 2026-06-04 22:40 UTCEG score recompute
  41. 2026-06-04 13:12 UTCEPSS rescore
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  43. 2026-06-04 11:45 UTCEG score recompute
  44. 2026-06-03 23:11 UTCEG score recompute
  45. 2026-06-03 12:02 UTCEG score recompute
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  47. 2026-06-02 20:13 UTCEPSS rescore
  48. 2026-06-02 12:15 UTCEG score recompute
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  51. 2026-06-01 13:52 UTCEPSS rescore
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  67. 2026-05-26 13:44 UTCEPSS rescore
  68. 2026-05-26 07:18 UTCEPSS rescore
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  70. 2026-05-23 00:08 UTCEG score recompute
  71. 2026-05-20 22:38 UTCEPSS rescore
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  73. 2026-05-20 16:00 UTCEG score recompute
  74. 2026-05-20 11:22 UTCEPSS rescore
  75. 2026-05-20 11:22 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-41271?
CVE-2026-41271 is a high vulnerability published on April 23, 2026. Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, a Server-Side Request Forgery (SSRF) vulnerability exists in FlowiseAI's POST/GET API Chain components that allows unauthenticated attackers to force the server to make arbitrary HTTP requests…
When was CVE-2026-41271 disclosed?
CVE-2026-41271 was first published in the National Vulnerability Database on April 23, 2026, with the most recent update on April 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-41271 actively exploited?
CVE-2026-41271 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-41271?
CVE-2026-41271 has a CVSS v3 base score of 8.3 (NVD).
How do I remediate CVE-2026-41271?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-41271, 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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