HOMEVULNERABILITIESCVE-2026-12822
HIGH

CVE-2026-12822

CWE-74Published: June 22, 2026· Updated: Jun 26, 2026

7.8
CVSS v3.1
EPSS:0.14%probability of exploitation in 30 daysPercentile:3.7th

Official Description

A vulnerability was identified in langflow-ai langflow up to 1.9.3. This affects an unknown function of the component Bundle URL Loader. The manipulation leads to code injection. The attack needs to be performed locally. The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Technical Analysis

CVE-2026-12822 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

langflow1 product
langflow
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/dxz0069/softwareoverflow/blob/main/langflow_bundle_url_custom_component_startup_rce_vulndb.md
ADVISORYhttps://vuldb.com/cve/CVE-2026-12822
ADVISORYhttps://vuldb.com/submit/837582
ADVISORYhttps://vuldb.com/vuln/372612
ADVISORYhttps://github.com/dxz0069/softwareoverflow/blob/main/langflow_bundle_url_custom_component_startup_rce_vulndb.md

All References (6)

→
https://github.com/dxz0069/softwareoverflow/blob/main/langflow_bundle_url_custom_component_startup_rce_vulndb.mdExploit · Mitigation · Third Party Advisory
→
https://vuldb.com/cve/CVE-2026-12822Third Party Advisory · VDB Entry
→
https://vuldb.com/submit/837582Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/372612Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/372612/ctiPermissions Required · VDB Entry
→
https://github.com/dxz0069/softwareoverflow/blob/main/langflow_bundle_url_custom_component_startup_rce_vulndb.mdExploit · Mitigation · Third Party Advisory

Quick Facts

CVE IDCVE-2026-12822
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-74
CISA KEVNo
EPSS (30d)0.14%
Affected1 vendor
PublishedJun 22, 2026

Related CVEs (CWE-74)

CVE-2026-5017
9.8
CVE-2026-5334
9.8
CVE-2026-5035
9.8
CVE-2026-5018
9.8
CVE-2026-34041
9.8
CVE-2026-5333
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-12822 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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