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Mallory
Medium

Unexpected URL Redirection in Safari

IdentifiersCVE-2025-31254CWE-601

CVE-2025-31254 is a Safari vulnerability in which processing maliciously crafted web content can lead to unexpected URL redirection. Apple states the issue was addressed through improved URL validation, indicating the flaw stems from insufficient validation of URL handling during web-content processing. The vulnerability affects Safari and was fixed in Safari 26, iOS 26, and iPadOS 26.

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For your environment

Are you exposed to this one?

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation can cause Safari to redirect a user to an unintended URL while processing attacker-controlled web content. This can facilitate phishing, user deception, navigation to attacker-controlled destinations, and bypass of user expectations about the legitimacy of the visited resource. Based on the provided information, there is no specific evidence here of code execution or memory corruption from this CVE.

Mitigation

If you can’t patch tonight, do this now.

Until patches are applied, reduce exposure by limiting access to untrusted or attacker-controlled websites and web content. Enterprise defenders can also use web filtering, anti-phishing controls, and user-awareness measures to reduce the likelihood of malicious redirection. No vendor-provided workaround beyond updating is described in the supplied content.

Remediation

Patch, then assume compromise.

Apply Apple's fixes by updating affected systems to Safari 26, iOS 26, and iPadOS 26, or later versions that include the patch. Apple indicates the issue was remediated by improved URL validation.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
AppleIpadosoperating_system
AppleIphone Osoperating_system
AppleSafariapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity1

Community discussion across Reddit, Mastodon, and other social sources.