CVE-2026-52855
Template placeholder leak in Pterodactyl Wings allowing read of daemon secrets.
Is CVE-2026-52855 being exploited?
Not confirmed. CVE-2026-52855 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.29% probability of exploitation in the next 30 days.
How severe is CVE-2026-52855?
CVE-2026-52855 is rated Critical with a CVSS score of 9.9. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-52855?
Yes. A fix has been recorded for CVE-2026-52855. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-52855 affect?
CVE-2026-52855 affects Pterodactyl Wings <1.12.3, Pterodactyl game server hosts/daemons. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-52855?
Upgrade Wings to 1.12.3 and rotate exposed tokens/registry credentials.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Low-privileged users can read daemon secrets (config.token, token_id, docker registry creds) enabling credential theft, container compromise, and privilege escalation.
Immediate action required
- affected< 1.12.3
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.