CVE-2026-32310General(cryptomator / cryptomator)

LOWCVSS 5.3 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Cryptomator encrypts data being stored on cloud infrastructure. From version 1.6.0 to before version 1.19.1, vault configuration is parsed before its integrity is verified, and the masterkeyfile loader uses the unverified keyId as a filesystem path. The loader resolves keyId.getSchemeSpecificPart() directly against the vault path and immediately calls Files.exists(...). This allows a malicious vault config to supply parent-directory escapes, absolute local paths, or UNC paths (e.g., masterkeyfile://attacker/share/masterkey.cryptomator). On Windows, the UNC variant is especially dangerous because Path.resolve("//attacker/share/...") becomes \\attacker\share\..., so the existence check can trigger outbound SMB access before the user even enters a passphrase. This issue has been patched in version 1.19.1.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-22

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • cryptomator
  • windows

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 1 signal
  • General: 1 classified signal
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-03-22); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Products
cryptomatorwindows

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-03-22: 1Mentions · 2026-04-30: 1Technical Details · 2026-03-22: 103-2204-30
Signal classification2 categories
General
150.0%
Disclosure
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-03-221
General1
2026-04-301
Disclosure1
Full discourse2 posts
  • yousukezan@yousukezan
    Disclosure

    春休みなので脆弱性報告したらCVEついた話 day2 (CVE-2026-32310)|Yanchon https://zenn.dev/ao9s/articles/cryptomator-masterkeyfile-unc #zenn

    Post summary

    The post notes that a CVE (CVE‑2026‑32310) was assigned after a vulnerability was reported during spring break, but it lacks technical details, PoC, or exploit information.

    0101441.4K
    14.4K followersView on X
  • CVE@CVEnew
    General

    CVE-2026-32310 Cryptomator encrypts data being stored on cloud infrastructure. From version 1.6.0 to before version 1.19.1, vault configuration is parsed before its integrity is ver… https://www.cve.org/CVERecord?id=CVE-2026-32310

    Post summary

    The post references CVE-2026-32310, noting a parsing error in Cryptomator’s vault configuration handling, but provides no evidence of exploitation, PoC, or patch information.

    0000081
    56.8K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Appcryptomatorcryptomator---
OSmicrosoftwindows---

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