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CVE-2026-7787

Unauthenticated Session History Access via Public Flow Execution

HIGH
8.1
CVSS Score
Published: June 11, 2026 at 02:41 PM UTC
Updated: October 26, 2026 at 11:10 AM UTC
2 products affected across 2 vendorsLangflowlangflow_oss

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Severity
HIGH8.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

IBM Langflow OSS 1.0.0 through 1.9.1 could allow an authenticated user to read or modify sensitive information by bypassing authentication using insecure direct object references.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

langflow_oss· IBM
95%
1.0.01.9.1
Langflow· Langflow
95%
1.0.0 ≤ v < 1.9.21.0.0
Affected range stops below 1.9.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: cverecord
https://www.ibm.com/support/pages/node/7275453

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-639

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