CVE-2026-58015EXPLOITEDPATCHED

the gnome project · glib

Glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyring_lookup_entry and mechanism_client_data_receive

Description

A vulnerability, which was classified as critical, has been found in GNOME GLib up to 2.88.0. This issue affects some unknown processing. This manipulation of the argument cookie_context causes path traversal. This vulnerability is handled as CVE-2026-58015. The attack can be initiated remotely.

Affected Products

Vendor	Product	Versions
the gnome project	glib	0, 2.88.0

References

https://access.redhat.com/security/cve/CVE-2026-58015(vdb-entry, x_refsource_REDHAT)
https://bugzilla.redhat.com/show_bug.cgi?id=2492256(issue-tracking, x_refsource_REDHAT)
https://gitlab.gnome.org/GNOME/glib/-/issues/3931

Related News (2 articles)

Tier A

Microsoft MSRC4h ago

CVE-2026-58015 Glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyring_lookup_entry and mechanism_client_data_receive

→ No new info (linked only)

Tier C

VulDB20h ago

CVE-2026-58015 | GNOME GLib up to 2.88.0 cookie_context path traversal (ID 3931)

→ No new info (linked only)

CVSS 3.15.9 CRITICAL

CISA KEV❌ No

Actively exploited✅ Yes

Patch available

2.88.1

PublishedJun 30, 2026

Last enriched20h agov2

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Verification

State: unverified

Confidence: 0%

Vulnerability Timeline

CVE Published

Jun 30, 2026

Discovered by ZDM

Jun 30, 2026

Actively Exploited

Jun 30, 2026

Exploit Available

Jun 30, 2026

Patch Available

Jun 30, 2026

Updated: description, affectedVersions, severity, activelyExploited

Jun 30, 2026

Version History

Last enriched 20h ago

v2Tier C20h ago

Updated vendor to GNOME, product to GLib, severity to CRITICAL, and affected versions to 2.88.0, while also correcting the exploit availability status.

descriptionaffectedVersionsseverityactivelyExploited

via VulDB

v123h ago

Initial creation