🛡️ CVE-2026-35157 — elastic-cloud-storage

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity low, availability low.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: Required — someone has to click, open or visit something.
• Scope: Changed — a successful attack reaches components beyond the vulnerable one.
• Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
• Integrity impact: Low — limited, and the attacker does not choose what is affected.
• Availability impact: Low — limited, and the attacker does not choose what is affected.

Weakness class

CVE-2026-35157 is classified as CWE-1236: Improper Neutralization of Formula Elements in a CSV File. Exported values are not neutralised, so a spreadsheet may treat them as formulas when opened.

Affected software

CVE-2026-35157 is recorded against 2 packages.

• elastic-cloud-storage (from 3.8.1.0 up to 4.3.0.0)
• objectscale (fixed in 4.3.0.0)

Timeline and source

Published on 11 May 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.dell.com

Other advisories for this package

elastic-cloud-storage has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2022-31231 (5.9 Medium, published 22 May 2026)
• CVE-2026-40636 (9.8 Critical, published 11 May 2026)
• CVE-2025-43992 (5.6 Medium, published 11 May 2026)
• CVE-2026-26946 (6.7 Medium, published 11 May 2026)
• CVE-2026-28261 (7.8 High, published 8 Apr 2026)
• CVE-2026-22273 (8.8 High, published 23 Jan 2026)
• CVE-2026-22271 (7.5 High, published 23 Jan 2026)
• CVE-2026-22276 (5.5 Medium, published 23 Jan 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-1236: Improper Neutralization of Formula Elements in a CSV File) in other software:

• CVE-2026-65875 (7.1 High, published 3 Aug 2026)
• CVE-2026-18738 (4.7 Medium, published 3 Aug 2026)
• CVE-2026-54243 (6.1 Medium, published 17 Jul 2026)
• CVE-2026-45263 (8.0 High, published 14 Jul 2026)
• CVE-2026-14846 (published 13 Jul 2026)
• CVE-2026-55452 (7.3 High, published 10 Jul 2026)
• CVE-2026-50179 (4.2 Medium, published 7 Jul 2026)
• CVE-2026-46672 (4.6 Medium, published 7 Jul 2026)

Details

Affected Packages

References