{"answers":{"affected":"12 open source packages ship an affected version, including github.com/containerd/containerd/v2 and github.com/containerd/containerd.","exploited":"There is no known exploitation of CVE-2026-53493 in the wild and no public exploit code.","fix":"Upgrade github.com/containerd/containerd/v2 to a fixed version for your release line: 2.0.13, 2.2.9, 2.3.6 or 2.4.1.","what":"CVE-2026-53493 is a medium-severity denial of service vulnerability in containerd, published on 25 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-53493 and fix it if it is affected.\n\nWhat it is: CVE-2026-53493 is a medium-severity denial of service vulnerability in containerd, published on 25 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-53493 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- github.com/containerd/containerd/v2 (Go): affected from 2.0.0; fixed in 2.0.13, 2.2.9, 2.3.6, 2.4.1\n- github.com/containerd/containerd/v2 (Go): affected from 2.0.0; fixed in 2.0.13\n- github.com/containerd/containerd/v2 (Go): affected from 2.0.0; fixed in 2.0.13\n- github.com/containerd/containerd/v2 (Go): affected from 2.1.0; fixed in 2.2.9\n- github.com/containerd/containerd/v2 (Go): affected from 2.1.0; fixed in 2.2.9\n- github.com/containerd/containerd/v2 (Go): affected from 2.3.0; fixed in 2.3.6\n- github.com/containerd/containerd/v2 (Go): affected from 2.3.0; fixed in 2.3.6\n- github.com/containerd/containerd/v2 (Go): affected from 2.4.0; fixed in 2.4.1\n- github.com/containerd/containerd/v2 (Go): affected from 2.4.0; fixed in 2.4.1\n- github.com/containerd/containerd (Go): affected all versions; fixed in 1.7.36\n- github.com/containerd/containerd (Go): affected all versions; fixed in 1.7.36\n- github.com/containerd/containerd (Go): affected all versions; fixed in 1.7.36\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-53493/ (Markdown: https://insights.sbomify.com/CVE-2026-53493/index.md)","id":"CVE-2026-53493","markdown":"https://insights.sbomify.com/CVE-2026-53493/index.md","name":"CVE-2026-53493","record":{"aliases":["AZL-104081","AZL-105123","BELL-CVE-2026-53493","CLEANSTART-2026-II66740","CLEANSTART-2026-LO42693","DEBIAN-CVE-2026-53493","ECHO-a556-bf56-c891","GHSA-pg57-6jwg-q645","GO-2026-6597","MINI-23gw-v46r-w2c2","MINI-2599-w4ph-7ph3","MINI-26xq-wrcg-w3qq","MINI-292p-g8j9-r729","MINI-293p-qjh6-47gf","MINI-2cfc-vh58-vf72","MINI-2cj4-vfx2-p3c9","MINI-2g8r-pp24-rmqj","MINI-2gfq-86m6-3mhw","MINI-2ghv-wr4q-9vmc","MINI-2h69-5wpw-6qrg","MINI-2jjv-x3fv-9rfq","MINI-2m76-83mf-pgr4","MINI-2xq6-rp3v-9p46","MINI-3289-4g7v-j488","MINI-32w5-mr45-x39j","MINI-332x-f9wg-wqpx","MINI-3337-72w6-jp92","MINI-34f4-w74h-q2rh","MINI-34gv-v7fg-r9qj","MINI-36j8-8ppq-mvxr","MINI-38g5-chp6-c47j","MINI-38gc-p44x-vf72","MINI-3992-xm23-743v","MINI-3cf6-w8fm-gx3w","MINI-3cp7-mjf5-7wg5","MINI-3p48-5333-mqpr","MINI-3p83-j5r2-xw5m","MINI-3pf4-g7xw-4cpv","MINI-3px7-j5pg-ch5f","MINI-3r5v-p4wv-44fh","MINI-3rv6-jh95-rmmw","MINI-3vqx-f64c-p689","MINI-3vrw-w86w-4w24","MINI-3wv7-rcf2-863j","MINI-3xhv-phj2-gp6f","MINI-3xqf-fpmg-f5pc","MINI-489x-prv5-rg99","MINI-48fj-c477-pq24","MINI-4cpw-95f6-r6wq","MINI-4fc9-5m5g-h8w7","MINI-4h43-4jmg-gh35","MINI-4jrh-pq94-mxj3","MINI-4mx7-7rj5-qpw9","MINI-4q34-vmr9-9q9g","MINI-4qf5-6jpx-q8g3","MINI-4qj7-m82m-5xrh","MINI-4rfw-mchj-55f5","MINI-4rxj-jhgg-3rg4","MINI-4vmr-hh54-37vq","MINI-5263-fppj-q7vp","MINI-52mj-hxcv-7vfm","MINI-5324-m7pc-h44h","MINI-53vx-jjw6-rf34","MINI-542q-3567-r77j","MINI-54w3-5h63-44c5","MINI-555c-v5j9-vp48","MINI-55c2-ww46-jhjj","MINI-55fr-mp3c-5ffc","MINI-55vr-vr34-g9fg","MINI-56xq-rrmh-35qg","MINI-578q-r4m2-83hp","MINI-579j-qg8m-c523","MINI-58jq-mwfq-f6r5","MINI-59w8-xhcv-46p2","MINI-5fcj-vj5c-6f2v","MINI-5gj4-78qw-hm38","MINI-5gv7-7c38-965x","MINI-5h8x-2vv4-m8hj","MINI-5mww-p9vr-fmh7","MINI-5vg7-3w7h-2fmg","MINI-5w3p-6c33-9j2c","MINI-5x69-jwp5-6v93","MINI-62j2-vrgv-2g28","MINI-64jw-6hr9-5mj4","MINI-65m6-rwx8-6h6g","MINI-65mg-8f5x-268c","MINI-666w-5vx8-f97x","MINI-66pg-xg87-v3p3","MINI-69fc-j86v-749p","MINI-6cg8-qpxf-mqhw","MINI-6fq3-9hh7-gq7h","MINI-6h79-2fgf-mrx8","MINI-6mj4-gw98-mq77","MINI-6p6g-3h96-5492","MINI-6q2x-3jj5-fxw6","MINI-6q6m-mmmw-qmw4","MINI-6rg3-5965-q4cr","MINI-6vrh-hq9j-hvw6","MINI-6w63-jgcf-gc6g","MINI-7645-5xc4-h2fx","MINI-778p-pqhr-m843","MINI-77vr-h32j-xrpx","MINI-78w7-vhj3-r488","MINI-7fqj-cjgj-ggx3","MINI-7hvx-79r5-4599","MINI-7jm8-x8v7-54j7","MINI-7jpf-p6pq-hwfp","MINI-7jqw-348f-pv7x","MINI-7mmp-f6f8-6mcv","MINI-7r3q-jxmf-4v9m","MINI-7r58-rwvh-p2cp","MINI-7r6p-636w-cx23","MINI-7rr9-62c3-77gq","MINI-7x5p-xrq9-45xx","MINI-82r3-6rq9-9j87","MINI-844h-29p2-6gpm","MINI-849m-r486-fpcp","MINI-84r3-m5f7-wv3j","MINI-85xh-4wjp-pqx3","MINI-86m9-mr28-v4fh","MINI-87vp-2cxp-5326","MINI-887f-v5c2-p6x5","MINI-89p3-8gcw-49c9","MINI-8f27-gjq5-w23g","MINI-8h7q-4cjh-hc2j","MINI-8j53-3g9x-7q92","MINI-8jpx-cr75-xf6j","MINI-8m9x-cxcg-6rgw","MINI-8mcj-5mpc-pccr","MINI-8mh3-rqg9-fgg2","MINI-8mh8-99rx-5hqm","MINI-8mqc-2987-h862","MINI-8mxc-47h9-qg9q","MINI-8rfm-cfmh-q6x9","MINI-8v2m-rp75-pmpr","MINI-8xg2-q65r-46ph","MINI-928x-58wm-j26f","MINI-9293-3m3g-p4qq","MINI-94jg-wrr6-qc99","MINI-94vh-hp7f-rpcf","MINI-95mx-7f8g-655w","MINI-979x-c324-9vhc","MINI-995h-5jr8-34mr","MINI-9985-jwr4-2h7h","MINI-9chf-gh42-8cvv","MINI-9f26-9gvq-w8xf","MINI-9gr3-75cc-m95m","MINI-9hcv-v54w-r8w5","MINI-9j7r-g56f-pw88","MINI-9mh9-vv55-9xfq","MINI-9mvm-2qmq-qm83","MINI-9mvw-7rrj-r4vp","MINI-9prf-xv3m-33p8","MINI-9qh7-frg6-fghv","MINI-9v23-p632-r8vj","MINI-9w73-cq24-q28j","MINI-9w82-43rp-mpqp","MINI-9wvg-v9vw-v79m","MINI-c395-cq5m-4vvm","MINI-c48x-7f63-wfh3","MINI-c4xr-mgj3-p42q","MINI-c5m9-2cxw-x82j","MINI-c74f-p6vc-8c69","MINI-c7jg-g5f3-r265","MINI-c7jw-8j7x-m5p6","MINI-c86r-v972-qrp8","MINI-c8g7-wc35-85gx","MINI-c8r3-j5qr-r66g","MINI-cc3j-f89c-vp7q","MINI-cc62-9rg4-4p72","MINI-cj3g-w63w-c29h","MINI-cj98-hfjx-m83j","MINI-cvx5-9vh4-j7x9","MINI-cxfj-x9qm-97x8","MINI-f2m4-m2m4-9rw4","MINI-f2pf-3w83-2mvc","MINI-f432-64q5-vr47","MINI-f46p-8jpj-fm75","MINI-f5wv-pv2f-5ghv","MINI-f5x2-mvxf-7wx3","MINI-f6xv-r3g4-vhj3","MINI-f75v-rf32-qvxw","MINI-f85g-m3p4-5xmp","MINI-fg37-88gv-8mvg","MINI-fjg8-pgcc-vvm4","MINI-fjh4-8w65-p52w","MINI-fp5j-4v94-m9rv","MINI-fpf3-q3hp-r9wr","MINI-fpf9-hjh2-cw57","MINI-fqwq-m98r-gv6q","MINI-fr6v-m9f3-7c5v","MINI-fr85-f3vj-x74x","MINI-frqj-cqph-ph7q","MINI-fv5h-2qxm-2456","MINI-fv8m-7vg3-qqj4","MINI-g2gv-h2cg-4jq8","MINI-g3fw-x9gp-qf5f","MINI-g3gc-5rj9-fwf8","MINI-g3j6-rx9h-32j6","MINI-g4q9-h4p9-m9mj","MINI-g5fr-cp3w-6929","MINI-g66m-pxvj-65pv","MINI-g7cp-jmf9-hhxc","MINI-g7v7-6mfr-gpjw","MINI-g89v-83w3-x47q","MINI-g8c3-r8qg-2vrh","MINI-g8w6-74c7-52vp","MINI-gcj3-g883-cjp2","MINI-gcjf-h79j-gpx4","MINI-gh53-f6mp-wvq6","MINI-gh7p-vrcq-85pm","MINI-ghfc-rqvc-rmwj","MINI-gj4h-vcch-r9p8","MINI-gjpp-97fh-vqj5","MINI-gm96-9352-cmr8","MINI-gmc7-qj5p-7c3j","MINI-gmhg-cgx7-vjwj","MINI-gmw5-v3h5-pr7q","MINI-gpc5-v88g-9j4x","MINI-gpx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runtime","requires_auth":"none","summary":"Attackers can cause denial of service in containerd by crafting OCI index graphs that trigger excessive resource consumption during image pulls.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[],"cvss":{"score":6.9,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-834","name":"Excessive Iteration"},{"id":"CWE-770","name":"Allocation of Resources Without Limits or Throttling"},{"id":"CWE-400","name":"Uncontrolled Resource Consumption"}],"description":"containerd is an open-source container runtime. Prior to versions 1.7.36, 2.0.13, 2.2.9, 2.3.6, and 2.4.1, a crafted OCI index graph can force very high CPU/memory usage during PullImage (before container start), causing long ContainerCreating stalls and, at larger sizes, node/runtime instability. Versions 1.7.36, 2.0.13, 2.2.9, 2.3.6, and 2.4.1 fix the issue.","ecosystems":["Go","openSUSE:Tumbleweed"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Containerd has image-pull DoS via crafted OCI index graph amplification","id":"CVE-2026-53493","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Go","product":null,"products":[],"type":"denial_of_service","year":"2026"},"n_packages":13,"n_references":1,"next":{"headline":"containerd CRI ExecSync Goroutine Leak Leading to Node-Level Denial of Service","id":"CVE-2026-53495"},"packages":[{"ecosystem":"Go","fixed":["1.7.36"],"introduced":["0"],"last_affected":[],"package":"github.com/containerd/containerd","purl":null,"source":"GHSA-pg57-6jwg-q645"},{"ecosystem":"Go","fixed":["1.7.36"],"introduced":["0"],"last_affected":[],"package":"github.com/containerd/containerd","purl":"pkg:golang/github.com/containerd/containerd","source":"GHSA-pg57-6jwg-q645"},{"ecosystem":"Go","fixed":["1.7.36"],"introduced":["0"],"last_affected":[],"package":"github.com/containerd/containerd","purl":"pkg:golang/github.com/containerd/containerd","source":"GO-2026-6597"},{"ecosystem":"Go","fixed":["2.0.13","2.2.9","2.3.6","2.4.1"],"introduced":["2.0.0","2.1.0","2.3.0","2.4.0"],"last_affected":[],"package":"github.com/containerd/containerd/v2","purl":"pkg:golang/github.com/containerd/containerd/v2","source":"GO-2026-6597"},{"ecosystem":"Go","fixed":["2.0.13"],"introduced":["2.0.0"],"last_affected":[],"package":"github.com/containerd/containerd/v2","purl":null,"source":"GHSA-pg57-6jwg-q645"},{"ecosystem":"Go","fixed":["2.0.13"],"introduced":["2.0.0"],"last_affected":[],"package":"github.com/containerd/containerd/v2","purl":"pkg:golang/github.com/containerd/containerd/v2","source":"GHSA-pg57-6jwg-q645"},{"ecosystem":"Go","fixed":["2.2.9"],"introduced":["2.1.0"],"last_affected":[],"package":"github.com/containerd/containerd/v2","purl":null,"source":"GHSA-pg57-6jwg-q645"},{"ecosystem":"Go","fixed":["2.2.9"],"introduced":["2.1.0"],"last_affected":[],"package":"github.com/containerd/containerd/v2","purl":"pkg:golang/github.com/containerd/containerd/v2","source":"GHSA-pg57-6jwg-q645"},{"ecosystem":"Go","fixed":["2.3.6"],"introduced":["2.3.0"],"last_affected":[],"package":"github.com/containerd/containerd/v2","purl":null,"source":"GHSA-pg57-6jwg-q645"},{"ecosystem":"Go","fixed":["2.3.6"],"introduced":["2.3.0"],"last_affected":[],"package":"github.com/containerd/containerd/v2","purl":"pkg:golang/github.com/containerd/containerd/v2","source":"GHSA-pg57-6jwg-q645"},{"ecosystem":"Go","fixed":["2.4.1"],"introduced":["2.4.0"],"last_affected":[],"package":"github.com/containerd/containerd/v2","purl":null,"source":"GHSA-pg57-6jwg-q645"},{"ecosystem":"Go","fixed":["2.4.1"],"introduced":["2.4.0"],"last_affected":[],"package":"github.com/containerd/containerd/v2","purl":"pkg:golang/github.com/containerd/containerd/v2","source":"GHSA-pg57-6jwg-q645"},{"ecosystem":"openSUSE:Tumbleweed","fixed":["3.0.4-1.1"],"introduced":["0"],"last_affected":[],"package":"elemental","purl":"pkg:rpm/opensuse/elemental\u0026distro=openSUSE%20Tumbleweed","source":"openSUSE-SU-2026:12127-1"}],"prev":{"headline":"containerd CRI checkpoint restore CDI annotation smuggling","id":"CVE-2026-53492"},"products":["containerd"],"published":"2026-09-25","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"CC BY 4.0","name":"Go Vulnerability Database","prefix":"GO"},{"class":"attribution","licence":"CC BY 4.0","name":"SUSE","prefix":"openSUSE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-09-28","vendors":["containerd"]},"summary":"Attackers can cause denial of service in containerd by crafting OCI index graphs that trigger excessive resource consumption during image pulls.","url":"https://insights.sbomify.com/CVE-2026-53493/"}