CVE-2026-93749
Last modified
CVE-2026-93749 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. source-map-js through 1.2.1 fails to validate the per-section offset line value in indexed source maps, allowing attackers to specify arbitrary numeric values. Attackers can supply extremely large offset line values that cause synchronous event loop blocking for extended periods, preventing the service from handling other requests..
Description
source-map-js through 1.2.1 fails to validate the per-section offset line value in indexed source maps, allowing attackers to specify arbitrary numeric values. Attackers can supply extremely large offset line values that cause synchronous event loop blocking for extended periods, preventing the service from handling other requests.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| 7rulnik | source-map-js | <= 1.2.1 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-93749?
How severe is CVE-2026-93749?
How do I fix CVE-2026-93749?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-9372A flaw has been found in ItzCrazyKns Vane up to 1.12.1. This…7.3
- CVE-2026-9373A vulnerability has been found in JeecgBoot 3.9.1. This issu…6.3
- CVE-2026-93736Mealie before 3.21.0 fails to validate user ownership in the…4.3
- CVE-2026-93737Azkaban through 4.0.0 omits project permission checks in the…6.5
- CVE-2026-9374A vulnerability was found in yangzongzhuan RuoYi-Vue up to 3…6.3
- CVE-2026-93748http-cache-semantics through 4.2.0 fails to properly validat…7.5
- CVE-2026-9375Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2026-93750http-cache-semantics through 4.2.0 contains a cache validati…5.9
- CVE-2026-93751uri-js through 4.4.1 contains an improper UTF-8 decoding vul…6.5
- CVE-2026-93752CSSOM through 0.5.0 contains a denial of service vulnerabili…7.5
- CVE-2026-93753deepmerge through 4.3.1 contains a prototype poisoning vulne…7.5
- CVE-2026-93758An insecure direct object reference in the nested attributes…8.1
Are you affected by CVE-2026-93749?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
