CVE-2026-28894: Input Validation

Published Mar 24, 2026
·
Updated

802.1X. An authentication issue was addressed with improved state management.

Other sources

A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A remote attacker may be able to cause a denial-of-service.

— NVD

Accounts. An authorization issue was addressed with improved state management.

— Apple

Admin Framework. A path handling issue was addressed with improved validation.

— Apple

apache. This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org.

— Apple

APFS. A buffer overflow was addressed with improved bounds checking.

— Apple

Credit

Rosyna Keller(Totally Not Malicious Software), Dave G., Vamshi Paili, Tony Gorez for Reverse Society@@tonygo_, David Ige(Beryllium Security), Alvin Aries Tapia, an anonymous researcher, Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), Alex Radocea, XiguaSec, Suresh Sundaram, Johnny Franks@@zeroxjf, Google Threat Analysis Group, Mihalis Haatainen, Ari Hawking, Ashish Kunwar, Vaagn Vardanian, Nathaniel Oh@@calysteon, Yiğit Can YILMAZ@@yilmazcanyigit, Robert Tran(STAR Labs SG Pte), popku1337(STAR Labs SG Pte), Billy Jheng Bing Jhong(STAR Labs SG Pte), Pan Zhenpeng@@Peterpan0927(STAR Labs SG Pte), Aswin kumar Gokulakannan, Calif.io in collaboration with Claude, Anthropic Research, Csaba Fitzl@@theevilbit(Iru), Ryan Hileman via Xint Code (xint.io), Tristan Madani@@TristanInSec(Talence Security), Chris Betz, Dhiyanesh Selvaraj@@redroot97, Ruslan Dautov, Ilya Andr (andrd3v)(Voynich Group), Ilias Morad (A2nkF)(Voynich Group), Duy Trần@@khanhduytran0, @@hugeBlack, Atul R V, Ricardo Prado, Anton Pakhunov, Ian van der Wurff (ian.nl), Michael DePlante@@izobashi(TrendAI Zero Day Initiative), Ilya Sc. Jowell A., Guy Dor, Peter Malone, Doron Assness, Adriatik Raci, Cantina, DARKNAVY@@DarkNavyOrg(TrendAI Zero Day Initiative), Daniel Rhea(TrendAI Zero Day Initiative), Anonymous(TrendAI Zero Day Initiative), Luka Rački, Mateusz Krzywicki (iVerify.io), wac(TrendAI Zero Day Initiative), Kookhwan Lee(TrendAI Zero Day Initiative), Maher Azzouzi, Vitaly Simonovich, Luke Francis, kwak kiyong / kakaogames, greenbynox, Adel Bouachraoui, Wang Yu, Brendon Tiszka(Google Project Zero), Tuan D. Hoang, Hazem Issa, Yongdae Kim @ KAIST SysSec Lab, Cristian Dinca (icmd.tech), Hossein Lotfi@@hosselot(TrendAI Zero Day Initiative), Etienne Charron (Renault), Victoria Martini (Renault), Zhongcheng Li(IES Red Team), CVE-2025-14524, CVE-2025-64505, Gor Aleksanyan(BoB 0xB6), Dhiyanesh Selvaraj@@redroot97(BoB 0xB6), 이동하 (Lee Dong Ha(BoB 0xB6), Jian Lee@@speedyfriend433, DARKNAVY@@DarkNavyOrg, Himanshu Bharti@@Xpl0itme(Khatima), wdszzml, Atuin Automated Vulnerability Discovery Engine, Gongyu Ma@@Mezone0, Yongdae Kim @ SysSec, KAIST, Caspian Tarafdar, Andrew Becker, webb, Thomas Espach, @@hamayanhamayan, Yeonghyeon Choi, Daniel Rhea, Söhnke Benedikt Fischedick (Tripton), Emrovsky & Switch3301, Yevhen Pervushyn, Minse Kim, Narcis Oliveras Fontàs, Hongze Wu(Ant Group Infrastructure Security Team), Shuaike Dong(Ant Group Infrastructure Security Team), Arni Hardarson, Héloïse Gollier, Mathy Vanhoef (KU Leuven), Adrián Pérez Martínez, Uluk Abylbekov, Zack Tickman, Justin Cohen(Google), Jex Amro, CVE-2025-55753, CVE-2025-58098, CVE-2025-59775, CVE-2025-65082, CVE-2025-66200, Johnny Franks (zeroxjf), Mickey Jin@@patch1t, Amy (amys.website), @@cloudlldb, YingQi Shi@@Mas0nShi(DBAppSecurity's WeBin lab), 风沐云烟@@binary_fmyy, Minghao Lin@@Y1nKoc, Kirin@@Pwnrin, hari shanmugam, Sreejith Krishnan R, Chunyu Song(NorthSea), Rodolphe Brunetti@@eisw0lf(Lupus Nova), Matej Moravec@@MacejkoMoravec, Dawuge(Shuffle Team), Hunan University, Kun Peeks@@SwayZGl1tZyyy, Gyujeong Jin at Team.0xb6@@G1uN4sh, Christian Kohlschütter, @@pixiepointsec, Ryan Dowd@@_rdowd, Koh M. Nakagawa@@tsunek0h(FFRI Security Inc), Talal Haj Bakry(Mysk Inc), Tommy Mysk@@mysk_co(Mysk Inc), Zhongquan Li@@Guluisacat, Asaf Cohen, Ye Zhang(Baidu Security), Ryan Dowd@@_rdowd(Iru), Joseph Ravichandran@@0xjprx(MIT CSAIL), Yuebin Sun@@yuebinsun2020(SecuRing), an anonymous researcher(SecuRing), Nathaniel Oh@@calysteon(SecuRing), Kirin@@Pwnrin(SecuRing), Wojciech Regula(SecuRing), Joshua Jewett@@JoshJewett33, Gergely Kalman@@gergely_kalman, Andrei Dodu, Morris Richman@@morrisinlife, Luke Roberts@@rookuu, Pedro Tôrres@@t0rr3sp3dr0

Affected Software

12 affected componentsFixes available
Apple macOS Tahoe<26.4
26.4
Apple macOS Sequoia<15.7.5
15.7.5
Apple macOS Sonoma<14.8.5
14.8.5
Apple iPadOS<26.4
Apple iPhone OS<26.4
Apple macOS>=14.0<14.8.5
Apple macOS>=15.0<15.7.5
Apple macOS>=26.0<26.4
Apple iOS<26.4
26.4
Apple iPadOS<26.4
26.4
Apple iOS<18.7.9
18.7.9
Apple iPadOS<18.7.9
18.7.9

Event History

Mar 24, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
Description
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
Mar 25, 2026
CVE Published
via MITRE·12:31 AM
Data Sourced
via MITRE·12:31 AM
DescriptionWeakness
Data Sourced
via NVD·01:17 AM
DescriptionSeverityWeaknessAffected Software
May 11, 2026
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2026-28894?

CVE-2026-28894 has been classified as a high severity vulnerability that can lead to denial-of-service conditions.

2

How do I fix CVE-2026-28894?

To mitigate CVE-2026-28894, upgrade to iOS 26.4, iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, or macOS Tahoe 26.4.

3

Which versions of Apple products are affected by CVE-2026-28894?

CVE-2026-28894 affects iOS versions up to 26.4, iPadOS versions up to 26.4, macOS Tahoe versions up to 26.4, macOS Sequoia versions up to 15.7.5, and macOS Sonoma versions up to 14.8.5.

4

Can CVE-2026-28894 be exploited remotely?

Yes, a remote attacker may exploit CVE-2026-28894 to cause denial-of-service through inadequate input validation.

5

What types of issues does CVE-2026-28894 address?

CVE-2026-28894 addresses an authentication issue with improved state management and a denial-of-service issue with enhanced input validation.

Company

Resources

Contact

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