CVE-2026-107216 · GHSA-wp2g-vpjj-g53r
Excelize ANCHORARRAY: mutually-referencing array formulas recurse unboundedly via re-entrant CalcCellValue, causing a fatal stack overflow
- Risk score
- 65/100
- CVSS
- 7.5 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 7 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.8.1 to 2.11.0, ANCHORARRAY recursively calls the exported CalcCellValue function, creating a fresh calculation context at each cycle and bypassing in-flight and iteration controls. ANCHORARRAY calls CalcCellValue instead of …
- Affected
- github.com/xuri/excelize/v2 (go) >= 2.8.1, < 2.11.1-0.20260911060113-ea12859e43c6
- Fix
- Upgrade github.com/xuri/excelize/v2 to 2.11.1-0.20260911060113-ea12859e43c6 or later.
- Exploitation
- Public proof of concept
Why it is Amber
- CVSS 7.5 high
- Public exploit or proof of concept referenced
- Remotely exploitable without logging in
- On your watchlist: Go
Affected packages
| Package | Ecosystem | Vulnerable | Fixed in |
|---|---|---|---|
| github.com/xuri/excelize/v2 | go | >= 2.8.1, < 2.11.1-0.20260911060113-ea12859e43c6 | 2.11.1-0.20260911060113-ea12859e43c6 |
References
- https://github.com/advisories/GHSA-wp2g-vpjj-g53r
- https://github.com/qax-os/excelize/security/advisories/GHSA-wp2g-vpjj-g53r
- https://nvd.nist.gov/vuln/detail/CVE-2026-107216
- https://github.com/qax-os/excelize/commit/ea12859e43c64d498ecf839263c5f917391f3316
- https://github.com/advisories/GHSA-wp2g-vpjj-g53r
Original description
Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.8.1 to 2.11.0, ANCHORARRAY recursively calls the exported CalcCellValue function, creating a fresh calculation context at each cycle and bypassing in-flight and iteration controls. ANCHORARRAY calls CalcCellValue instead of cellResolver, so each recursive hop receives a new calcContext and loses cycle state. When mutually referencing dynamic-array formulas are evaluated directly or through formula-evaluating APIs, each recursion hop resets the cycle budget and prevents completion-based caches from breaking the cycle, allowing an attacker to cause a fatal Go stack overflow and abort the process. No fixed version is available as of this review.
Last activity 7 Oct 2026. Patch Forecast updates every hour.