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archive/Patch now/AIR-2026-1648
closedclosed 29 Oct 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-77817: IBM Langflow OSS Information Disclosure Vulnerability

IBM Langflow OSS

IBM Langflow OSS versions 1.0.0 through 1.12.4 expose sensitive information due to improper sanitization of secrets during project and flow exports. The vulnerability is assigned a medium CVSS score of 6.5.

why this severityDisclosed vulnerability with no confirmed exploitation

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
6.5
EPSS
<0.01 · top 72% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
affected
IBM Langflow OSS 1.0.0 to 1.12.4
first report
29 Oct 2026
last update
29 Oct 2026
CVE ids
CVE-2026-77817other records

Timeline · 1

  1. 29 Oct 2026CVE-2026-77817: IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to obtain sensitive information due to improper…

Sources · 1

Advisories and databases

  1. 2026-10-29
    CVE-2026-77817: IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to obtain sensitive information due to improper…
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-77817

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerabilityData leak
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM02:2025 Sensitive Information DisclosureLLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
information-disclosure
dates
happened 29 Oct 2026 · first reported 29 Oct 2026
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.90 · created 2026-10-29 19:37Z · updated 2026-10-29 19:37Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2026-77817: IBM Langflow OSS Information Disclosure Vulnerability

https://gcdradar.vercel.app/incidents/cve-2026-77817-ibm-langflow-oss-information-disclosure-vulne · AIR-2026-1648 · closed 2026-10-29

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability): Disclosed vulnerability with no confirmed exploitation
- Fix status: Fix status unknown
- First reported: 2026-10-29
- AI role: Attack on AI
- Products: IBM Langflow OSS
- CVE ids: CVE-2026-77817
- CVSS: 6.5

## Summary

IBM Langflow OSS versions 1.0.0 through 1.12.4 expose sensitive information due to improper sanitization of secrets during project and flow exports. The vulnerability is assigned a medium CVSS score of 6.5.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Affected and fixed versions

- Affected: IBM Langflow OSS 1.0.0 to 1.12.4

## Latest updates

- 2026-10-29: CVE-2026-77817: IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to obtain sensitive information due to improper… (https://nvd.nist.gov/vuln/detail/CVE-2026-77817)

## Sources

- 2026-10-29 NVD: CVE-2026-77817: IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to obtain sensitive information due to improper… https://nvd.nist.gov/vuln/detail/CVE-2026-77817

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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