CVE-2026-101021
MultipartInputStream performs inefficient boundary matching and unnecessary buffer copying
- Risk score
- 55/100
- CVSS
- 7.5 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 16 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- MultipartInputStream performs inefficient boundary matching and unnecessary buffer copying. Crafted multipart input can force excessive boundary comparisons and repeated copying.
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.5 high
- Remotely exploitable without logging in
References
Original description
MultipartInputStream performs inefficient boundary matching and unnecessary buffer copying. Crafted multipart input can force excessive boundary comparisons and repeated copying.
Last activity 16 Oct 2026. Patch Forecast updates every hour.