Apptainer
Apptainer's CDI support needed a privilege-escalation fix four months after it shipped.
Comparison · Infra & APIs
Cobbler vs Inspektor Gadget
A side-by-side editorial comparison of Cobbler and Inspektor Gadget — release velocity, themes, recent moves, and the top alternatives to consider.
Cobbler vs Inspektor Gadget: at a glance
What is Cobbler?
Cobbler's 3.3 branch adds Kerberos single sign-on to the web UI.
Cobbler's public releases are all 3.3-branch backports. 3.3.10 adds Kerberos/GSSAPI single sign-on for the web UI through an Apache-terminated bridge and hardens the passthru authentication module against timing attacks. It follows the 3.3.8/3.3.9 pair, which brought openSUSE Leap 16 and Agama installer support, XCP-ng network installs and Python 3.13 support, and had to be re-cut after a CI publishing failure.
What is Inspektor Gadget?
Inspektor Gadget keeps cutting the privileges an eBPF tool has to ask for.
Inspektor Gadget v0.57.0 lets gadgets run rootless with cap_bpf, cap_perfmon and cap_sys_ptrace, and adds a flag that drops CAP_SYS_ADMIN on Kubernetes deployments. v0.56.0 introduced experimental multi-tenancy through TokenReview and RBAC. The v0.56.1 and v0.56.2 patches backported USDT parsing fixes, so crafted binaries cannot crash the process or exhaust memory, and bounded owner reference enrichment.
Cobbler vs Inspektor Gadget: editorial side-by-side
Cobbler
0.0INFRA · APIS
Cobbler's 3.3 branch adds Kerberos single sign-on to the web UI.
◆ Current state
Cobbler's public releases are all 3.3-branch backports. 3.3.10 adds Kerberos/GSSAPI single sign-on for the web UI through an Apache-terminated bridge and hardens the passthru authentication module against timing attacks. It follows the 3.3.8/3.3.9 pair, which brought openSUSE Leap 16 and Agama installer support, XCP-ng network installs and Python 3.13 support, and had to be re-cut after a CI publishing failure.
◆ Where it's heading
The branch is still gaining features aimed at enterprise data centres rather than winding down: new installer ecosystems in August, directory-backed single sign-on now. Authentication has been a recurring concern since the CVE-2024-47533 admin-API bypass. Releases continue to arrive as rollups from main.
◆ Prediction
Expect further 3.3.x rollups; whether the main line cuts a 3.4 is not visible from these entries.
Inspektor Gadget
2.5INFRA · APIS
Inspektor Gadget keeps cutting the privileges an eBPF tool has to ask for.
◆ Current state
Inspektor Gadget v0.57.0 lets gadgets run rootless with cap_bpf, cap_perfmon and cap_sys_ptrace, and adds a flag that drops CAP_SYS_ADMIN on Kubernetes deployments. v0.56.0 introduced experimental multi-tenancy through TokenReview and RBAC. The v0.56.1 and v0.56.2 patches backported USDT parsing fixes, so crafted binaries cannot crash the process or exhaust memory, and bounded owner reference enrichment.
◆ Where it's heading
The direction is lower trust: fewer privileges for the tool and less trust in the binaries it inspects. Multi-tenancy, rootless runs and hardened ELF parsing all remove reasons a security team would refuse to deploy it. GPU telemetry from v0.55 has no follow-up in the recent notes.
◆ Prediction
Multi-tenancy graduating from experimental remains the likely next milestone as it pairs with reduced-privilege deployments. Whether GPU telemetry gets gadget consumers soon is unclear from these entries.
Alternatives to Cobbler and Inspektor Gadget
Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Cobbler or Inspektor Gadget.
Coder
Coder now patches three release lines at once, and the fixes keep landing on agent access.
Oh Dear
Oh Dear's weekly changelogs have carried a security section five weeks running.
Apache ShenYu
ShenYu's AI gateway plugins are back in motion, with 2.7.2 candidate tags in October.
TestingBot
TestingBot's autumn work is plumbing: a rebuilt tunnel and another bug-tracker link.
KubeArmor
KubeArmor ships fixes as release-candidate tags, and its feed misses the finals.
See all Cobbler alternatives → · See all Inspektor Gadget alternatives →
Recent activity from Cobbler and Inspektor Gadget
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 27d agoInspektor Gadgetv0.57.0: rootless ig run and reduced-privilege deploys
- 1mo agoInspektor Gadgetv0.56.2: bounded owner reference enrichment
- 1mo agoInspektor Gadgetv0.56.1 hardens USDT parsing against crafted binaries
- 1mo agoCobbler3.3.10 adds Kerberos single sign-on to the web UI
- 1mo agoInspektor GadgetRelease v0.56.0 ⚡
- 2mo agoCobbler3.3.8 re-cut after fixing the PyPI publish workflow
- 2mo agoCobblerLeap 16 and Agama support, withdrawn as defunct
- 2mo agoInspektor GadgetRelease v0.55.1
- 3mo agoInspektor GadgetRelease v0.55.0 ⚡
- 3mo agoCobblerCVE-2024-47533 backported to the 3.2 branch
- 1y agoCobblerCVE-2024-47533: API admin authentication bypass fixed
- 2y agoCobblerEFI support added to cobbler buildiso
Frequently asked questions
What is the difference between Cobbler and Inspektor Gadget?
They serve adjacent needs but don't currently overlap on shipped themes. Inspektor Gadget is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Cobbler better than Inspektor Gadget?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Inspektor Gadget is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Infra & APIs products to evaluate alongside.
What are the best alternatives to Cobbler?
Top Cobbler alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Cobbler alternatives" section above for the current picks, or visit /alternatives/cobbler for the full list with editorial commentary on each.
What are the best alternatives to Inspektor Gadget?
Top Inspektor Gadget alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Inspektor Gadget alternatives" section above for the current picks, or visit /alternatives/inspektor-gadget for the full list with editorial commentary on each.