CVE-2026-24048

unknown
Published 2026-01-21 ยท Modified 2026-02-03
CVSS v3
โ€”
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
โ€”

Description

Backstage has a Possible SSRF when reading from allowed URL's in `backend.reading.allow`

Predictions

Exploit likelihood
30%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

EcosystemPackageVulnerableFixed
npm npm@backstage/backend-defaults<0.12.20.12.2
npm npm@backstage/backend-defaults>=0.13.0,<0.13.20.13.2
npm npm@backstage/backend-defaults>=0.14.0,<0.14.10.14.1

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.