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Fencer Vulns
medium 6.1

CVE-2024-29892 json

ZITADEL's actions can overload reserved claims

published 2024-03-27 2 y ago modified 2026-09-10 1 mo ago also EUVD-2024-0928 , GHSA-gp8g-f42f-95q2 , GO-2024-2664

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

ZITADEL, open source authentication management software, uses Go templates to render the login UI. Under certain circumstances an action could set reserved claims managed by ZITADEL. For example it would be possible to set the claim `urn:zitadel:iam:user:resourceowner:name`. To compensate for this we introduced a protection that does prevent actions from changing claims that start with `urn:zitadel:iam`. This vulnerability is fixed in 2.48.3, 2.47.8, 2.46.5, 2.45.5, 2.44.7, 2.43.11, and 2.42.17.

Patch / fix

  • go github.com/zitadel/zitadel 2.42.17, 2.43.11, 2.44.7, 2.45.5, 2.46.5, 2.47.8, 2.48.3
  • zitadel zitadel 2.42.17, 2.43.11, 2.44.7, 2.45.5, 2.46.5, 2.47.8, 2.48.3

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
GitHub 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
NVD 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
go github.com/zitadel/zitadel
<2.42.17
>=2.43.0, <2.43.11
>=2.44.0, <2.44.7
>=2.45.0, <2.45.5
>=2.46.0, <2.46.5
>=2.47.0, <2.47.8
>=2.48.0, <2.48.3
all versions
2.42.17
2.43.11
2.44.7
2.45.5
2.46.5
2.47.8
2.48.3

Affected products

  • zitadel zitadel

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.