CVE-2026-58015: Glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyring_lookup_entry and mechanism_client_data_receive
CSIRTS triage
- What
- A path traversal vulnerability exists in 'keyring_lookup_entry' and 'mechanism_client_data_receive'.
- Who is affected
- Deployments of Glib that utilize the affected functions.
- Urgency
- Remediation is important due to the medium severity of the vulnerability.
- Action
- Update to the latest version of Glib to fix this vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58015
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-580150.52% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 42% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-58015 | coverage & exploitation status | NVD · CVE.org |
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