IBM Langflow OSS 1.0.0 through 1.10.1 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot " sequences ( /.. /) to view arbitrary files on the system.
CVE-2026-12942
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-30. a secondary CVSS source baseline 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(high)
- EG Risk
- 49(Track)EG Risk 49/100SSVC: Track
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 computedSeverity75% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 35%
- KEV
- Not listed
Published
July 30, 2026
Last Modified
August 4, 2026
Advisory Details (1)
Auto-updated Jul 30, 2026Security Bulletin: Langflow is affected by remote code execution, denial of service, path traversal, and exposed credentials due to multiple unauthenticated and insufficiently authorized API endpoints
https://www.ibm.com/support/pages/node/7279993Vendor Advisories for CVE-2026-12942(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 26× in last 7d / 84× 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.
- 2026-08-21 06:43 UTCEG score recompute
- 2026-08-21 06:43 UTCGHSA enrichment
- 2026-08-20 22:55 UTCEPSS rescore
- 2026-08-20 17:36 UTCGHSA enrichment
- 2026-08-20 04:28 UTCEG score recompute
- 2026-08-20 04:28 UTCGHSA enrichment
- 2026-08-19 17:03 UTCEPSS rescore
- 2026-08-19 15:21 UTCGHSA enrichment
- 2026-08-19 02:00 UTCEG score recompute
- 2026-08-19 02:00 UTCGHSA enrichment
- 2026-08-18 13:48 UTCEPSS rescore
- 2026-08-18 12:52 UTCGHSA enrichment
- 2026-08-17 23:21 UTCEG score recompute
- 2026-08-17 23:21 UTCGHSA enrichment
- 2026-08-17 10:14 UTCGHSA enrichment
- 2026-08-16 21:08 UTCEG score recompute
- 2026-08-16 21:08 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 08:01 UTCEG score recompute
- 2026-08-16 08:01 UTCGHSA enrichment
- 2026-08-16 02:14 UTCEPSS rescore
- 2026-08-15 18:55 UTCGHSA enrichment
- 2026-08-15 05:48 UTCEG score recompute
- 2026-08-15 05:48 UTCGHSA enrichment
- 2026-08-15 01:30 UTCEPSS rescore
Show 59 moreShow fewer
- 2026-08-14 16:41 UTCGHSA enrichment
- 2026-08-14 03:35 UTCEG score recompute
- 2026-08-14 03:35 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-13 14:28 UTCGHSA enrichment
- 2026-08-13 01:21 UTCEG score recompute
- 2026-08-13 01:21 UTCGHSA enrichment
- 2026-08-12 13:50 UTCEPSS rescore
- 2026-08-12 12:15 UTCGHSA enrichment
- 2026-08-11 23:06 UTCEG score recompute
- 2026-08-11 23:06 UTCGHSA enrichment
- 2026-08-11 13:42 UTCEPSS rescore
- 2026-08-11 09:59 UTCEG score recompute
- 2026-08-11 09:59 UTCGHSA enrichment
- 2026-08-10 23:59 UTCEPSS rescore
- 2026-08-10 20:53 UTCGHSA enrichment
- 2026-08-10 07:47 UTCGHSA enrichment
- 2026-08-09 18:40 UTCEG score recompute
- 2026-08-09 18:40 UTCGHSA enrichment
- 2026-08-09 13:46 UTCEPSS rescore
- 2026-08-09 05:34 UTCEG score recompute
- 2026-08-09 05:34 UTCGHSA enrichment
- 2026-08-08 16:37 UTCEPSS rescore
- 2026-08-08 16:28 UTCGHSA enrichment
- 2026-08-08 03:21 UTCEG score recompute
- 2026-08-08 03:21 UTCGHSA enrichment
- 2026-08-07 14:14 UTCGHSA enrichment
- 2026-08-07 01:07 UTCEG score recompute
- 2026-08-07 01:07 UTCGHSA enrichment
- 2026-08-06 13:46 UTCEPSS rescore
- 2026-08-06 12:01 UTCGHSA enrichment
- 2026-08-05 22:54 UTCEG score recompute
- 2026-08-05 22:54 UTCGHSA enrichment
- 2026-08-05 19:17 UTCEPSS rescore
- 2026-08-05 09:48 UTCGHSA enrichment
- 2026-08-04 20:34 UTCGHSA enrichment
- 2026-08-04 17:46 UTCEG score recompute
- 2026-08-04 17:46 UTCGHSA enrichment
- 2026-08-04 15:09 UTCEPSS rescore
- 2026-08-04 10:38 UTCEPSS rescore
- 2026-08-04 04:34 UTCGHSA enrichment
- 2026-08-03 15:28 UTCEG score recompute
- 2026-08-03 15:28 UTCGHSA enrichment
- 2026-08-03 10:35 UTCEPSS rescore
- 2026-08-03 02:21 UTCGHSA enrichment
- 2026-08-02 13:14 UTCEG score recompute
- 2026-08-02 13:14 UTCGHSA enrichment
- 2026-08-02 02:26 UTCEPSS rescore
- 2026-08-02 00:08 UTCGHSA enrichment
- 2026-08-01 11:01 UTCEG score recompute
- 2026-08-01 11:01 UTCGHSA enrichment
- 2026-08-01 04:15 UTCEPSS rescore
- 2026-07-31 21:54 UTCGHSA enrichment
- 2026-07-31 08:47 UTCEG score recompute
- 2026-07-31 08:47 UTCGHSA enrichment
- 2026-07-30 19:30 UTCEG score recompute
- 2026-07-30 18:02 UTCEG score recompute
- 2026-07-30 17:22 UTCEG score recompute
- 2026-07-30 17:20 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-12942?
When was CVE-2026-12942 disclosed?
Is CVE-2026-12942 actively exploited?
What is the CVSS score of CVE-2026-12942?
How do I remediate CVE-2026-12942?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-12942
Is Your Infrastructure Affected by CVE-2026-12942?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.