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TI-2026-79747 Aliases CVE-2026-115728GHSA-vwgx-c45f-9873

Regular expression denial of service in @hapi/content disposition parsing

Priority MEDIUM 44CWE-1333Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-1333.

Summary

@hapi/content from 6.0.1 before 6.0.3 contains a regular expression denial of service vulnerability in Content.disposition(), caused by an incomplete fix for CVE-2026-35213. An unauthenticated remote attacker can send multipart uploads with a long Content-Disposition parameter lacking an equals sign, which triggers quadratic backtracking (CWE-1333) that blocks the event loop.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

@hapi/content from 6.0.1 before 6.0.3 contains a regular expression denial of service vulnerability in Content.disposition() caused by an incomplete fix for CVE-2026-35213. Unauthenticated remote attackers can send multipart uploads with a long Content-Disposition parameter lacking an equals sign, triggering quadratic backtracking that blocks the event loop.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00466 40th percentileScored 2026-11-07
Fix Fixed @hapi/content (hapijs): 6.0.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
hapijs@hapi/content6.0.1 to before 6.0.36.0.3Patch availableCNA
  • @hapi/content Vendorhapijs Affected 6.0.1 to before 6.0.3 Fixed in 6.0.3 Patch available CNA

Remediation

Upgrade @hapi/content to version 6.0.3.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA @hapi/content (hapijs) Fixed in 6.0.3

Timeline

  1. 2026-10-23 Threatist record created from CVE-2026-115728
  2. 2026-10-23 Alias added: GHSA-vwgx-c45f-9873
  3. 2026-10-24 Priority changed: MEDIUM → LOW
  4. 2026-10-25 EPSS moved to the below the 50th percentile
  5. 2026-10-26 CISA SSVC decision points changed
  6. 2026-10-26 Priority changed: LOW → MEDIUM

References

Patch 2

Advisory 1

Other 2

  • TI-2026-82752 Quadratic-time parsing in @hapi/content allows denial of service CVSS 3.1HIGH 7.5
  • TI-2026-82716 Quadratic-time split in joi email rule allows denial of service CVSS 3.1HIGH 7.5
  • TI-2026-61678 joi before 17.13.8 and 18.2.9 Prototype Pollution via messages CVSS 4.0MEDIUM 6.3
  • TI-2018-02726 Prototype pollution in @hapi hoek node module CVSS 3.0HIGH 8.8
  • TI-2026-62455 Joi before 17.13.7 and 18.2.6 ReDoS via isoDate CVSS 4.0HIGH 8.7
  • TI-2026-27366 Regular Expression Denial of Service (ReDoS) in @hapi/content HTTP header parsing CVSS 4.0HIGH 8.7
See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences