Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Excelize (github.com/xuri/excelize/v2) versions before 2.11.0 are vulnerable. A specially crafted XLSX file with an invalid row index in its worksheet XML can make the parser allocate an enormous amount of memory or trigger a runtime panic, when the application then reads cell values from it. An unauthenticated attacker who can supply such a file can crash or exhaust memory in the affected application. Upgrade to version 2.11.0 or later.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 7.5 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0061, the 49th percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:55 UTC First seen by agentprime
- 31 Oct 2026, 14:55 UTC Confirmed by OSV