{"answers":{"affected":"8 open source packages ship an affected version, including github.com/go-jose/go-jose/v3, github.com/go-jose/go-jose and github.com/go-jose/go-jose/v4. It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-34986 in the wild and no public exploit code.","fix":"Upgrade github.com/go-jose/go-jose/v3 to 3.0.5 or later.","what":"CVE-2026-34986 is a high-severity denial of service vulnerability in go-jose, published on 6 Apr 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-2026-34986 and fix it if it is affected.\n\nWhat it is: CVE-2026-34986 is a high-severity denial of service vulnerability in go-jose, published on 6 Apr 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-2026-34986 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- github.com/go-jose/go-jose/v3 (Go): affected all versions; fixed in 3.0.5\n- github.com/go-jose/go-jose/v3 (Go): affected all versions; fixed in 3.0.5\n- github.com/go-jose/go-jose/v3 (Go): affected all versions; fixed in 3.0.5\n- github.com/go-jose/go-jose (Go): affected all versions up to 2.6.3; no fix listed\n- github.com/go-jose/go-jose (Go): affected all versions up to 2.6.3; no fix listed\n- github.com/go-jose/go-jose/v4 (Go): affected all versions; fixed in 4.1.4\n- github.com/go-jose/go-jose/v4 (Go): affected all versions; fixed in 4.1.4\n- github.com/go-jose/go-jose/v4 (Go): affected all versions; fixed in 4.1.4\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-2026-34986/ (Markdown: https://insights.sbomify.com/CVE-2026-34986/index.md)","id":"CVE-2026-34986","markdown":"https://insights.sbomify.com/CVE-2026-34986/index.md","name":"CVE-2026-34986","record":{"aliases":["ALSA-2026:10135","ALSA-2026:19173","ALSA-2026:19186","CLEANSTART-2026-AW40573","CLEANSTART-2026-EI91095","CLEANSTART-2026-FW04887","CLEANSTART-2026-IH36690","CLEANSTART-2026-JS43220","CLEANSTART-2026-JW13241","CLEANSTART-2026-NH53620","CLEANSTART-2026-OJ68067","CLEANSTART-2026-PU41775","CLEANSTART-2026-QA92944","CLEANSTART-2026-TD47078","CLEANSTART-2026-XM93571","CLSA-2026-1777386823","CLSA-2026-1777387432","CLSA-2026-1781609354","DEBIAN-CVE-2026-34986","ECHO-0d81-9e7e-e346","GHSA-78h2-9frx-2jm8","GO-2026-4945","MINI-2248-2728-rj65","MINI-246h-gv3f-97xv","MINI-24g6-8r88-wq98","MINI-24pw-jj8v-xj2q","MINI-273m-c7qh-2frp","MINI-27hw-cj69-gf8f","MINI-2cm4-gcvg-p9m7","MINI-2cp6-289x-3f8j","MINI-2h8j-cw78-4x5g","MINI-2hx2-4m55-v8j8","MINI-2m55-h9xc-q2f6","MINI-2m9c-65m7-666m","MINI-2r63-3fhg-jr83","MINI-2w8v-94cx-956w","MINI-2x74-g23w-fxr2","MINI-334v-rr7h-xrcq","MINI-3479-8q2p-v9gw","MINI-35x3-hxcp-qxrx","MINI-378v-43fr-8m9v","MINI-38vf-mqpr-fgpx","MINI-399h-rpwp-wfg9","MINI-39fh-5m2p-f2wq","MINI-3cm3-3c5r-m8ch","MINI-3cw2-c2qf-x69f","MINI-3g5f-jwrj-g545","MINI-3ghw-p823-prq8","MINI-3hhm-6qfp-wjj3","MINI-3mvx-p9qp-9p42","MINI-3mwr-5939-x774","MINI-3q7c-xj48-7hwj","MINI-3qfg-fv23-g7jf","MINI-3r7c-4qx4-ghv9","MINI-3w5q-2v44-xpf4","MINI-3wr6-95cf-qmj8","MINI-3x86-xgjv-jj8x","MINI-3x9c-pg3m-j7jv","MINI-43f4-xh7f-m26w","MINI-456f-rh26-5gxr","MINI-498q-fpm4-fcgg","MINI-4cmv-c355-rjqj","MINI-4f7j-g33c-23p2","MINI-4jj9-v89x-xhq7","MINI-4m75-99q5-5w6w","MINI-4mp8-qq32-hh3q","MINI-4q2m-2m34-98jg","MINI-4qxx-hj3h-qvqc","MINI-4v32-p6m2-gmp6","MINI-4xpj-5hwh-qmpp","MINI-4xxv-3fhf-6f3m","MINI-522x-wxgv-448m","MINI-5288-cq7g-9m6j","MINI-52mg-34m7-g78x","MINI-53pf-cvxp-h8jj","MINI-54mv-w7vr-w2fg","MINI-553w-gfv3-cj7g","MINI-55w9-grjx-wwqp","MINI-58hp-384f-5vcc","MINI-58hr-4579-v446","MINI-58vp-q76q-v39f","MINI-59mq-pjxh-9grj","MINI-5g46-67fx-2xmf","MINI-5gp5-hpcj-8mg4","MINI-5hc3-v483-x2fp","MINI-5mjr-3vrw-wjv5","MINI-5ppj-jhpg-3c8f","MINI-5r3c-wrwq-m7h7","MINI-5r7m-r53c-676r","MINI-5vgf-c3cp-w4j2","MINI-5vpj-jg7c-x6f5","MINI-5vx4-9fcq-c58c","MINI-5xvw-35g4-qcw9","MINI-63ph-qcg3-x9qq","MINI-63wf-qm27-fw69","MINI-64jq-jcfm-mcvc","MINI-64mx-rgwf-xx4v","MINI-65pf-64rp-52g8","MINI-66fx-q39f-whm7","MINI-6cq5-w435-cxc9","MINI-6cqf-78h3-87wg","MINI-6crr-jr3m-qm4x","MINI-6f8p-xw9f-xv88","MINI-6gr9-hfmc-xf8w","MINI-6gvg-524g-cxm8","MINI-6qf4-qcwq-7pm3","MINI-6r5m-ccmv-8jpf","MINI-6rjm-hc8w-9ffh","MINI-6wcq-r683-qw6p","MINI-6wvj-f6r3-63p8","MINI-6wx3-jhwp-m59c","MINI-72v7-qxqr-42c3","MINI-72vc-8f5h-3v3q","MINI-7399-crqr-96fm","MINI-73w6-fprp-cgcr","MINI-75r5-wrrm-whpr","MINI-75vp-vq6g-xjm9","MINI-78j5-555x-xj3p","MINI-7f28-954p-3fm6","MINI-7f9g-xg93-9m77","MINI-7fr3-cmj7-q62x","MINI-7g4c-m556-rh7w","MINI-7gm8-h54c-5gf4","MINI-7h2v-v34f-xpf5","MINI-7m2m-jj8x-p9v3","MINI-7mp5-g3w9-jgmj","MINI-7p9r-2235-f8vr","MINI-7pcv-3w57-phmp","MINI-7pm7-2wg9-h8v3","MINI-7pvx-jxq4-h58r","MINI-7qj7-3hw7-9f5h","MINI-7qq3-gc4p-994m","MINI-7r45-hv5v-5v4x","MINI-7x76-5c77-8248","MINI-829w-h4w7-rrgm","MINI-858c-33m5-927g","MINI-8697-f5jw-q883","MINI-86xv-xjfx-2jxj","MINI-87g3-3r69-2cr4","MINI-87m4-xcm6-mmj6","MINI-87qv-rgmr-9rjr","MINI-89mc-7r9g-74f4","MINI-8f2x-5ggp-hxj2","MINI-8f7j-hqwr-gq5h","MINI-8fv9-f7gv-gf7p","MINI-8ghc-m2wj-cvfv","MINI-8h5c-82q9-99p4","MINI-8m8m-gq67-344c","MINI-8mc7-7p54-6j9g","MINI-8mv5-3fm8-jvqm","MINI-8pp9-vrc8-qwp7","MINI-8q26-rm23-gch6","MINI-8qf4-34x3-3rvr","MINI-8qpw-rw8x-mcp7","MINI-8rp8-vjgx-mgpw","MINI-8v32-6f7p-w7pr","MINI-8w28-6r7r-6g5m","MINI-8x8q-9vvj-m5w4","MINI-92v5-mwfc-2395","MINI-9424-wgfw-h29h","MINI-94hq-wcxp-pjf4","MINI-952h-hqcr-5r4g","MINI-956f-fg32-8pxp","MINI-95fw-66w6-5qpq","MINI-992c-hx7h-xx28","MINI-9fg5-fq4j-mpx3","MINI-9fvf-7v28-rgp9","MINI-9g3f-hpjm-9jr6","MINI-9g4h-jrv5-52xx","MINI-9gjg-fgjv-w7pw","MINI-9grc-jp8m-w523","MINI-9h7g-vcxc-x5vg","MINI-9hcv-qvc8-j4fg","MINI-9jfw-fpgj-25g7","MINI-9qg6-8v56-qcfh","MINI-9qw4-p7pm-7q67","MINI-9qxc-36cv-3vh7","MINI-9rgw-5gwm-vjf9","MINI-9v5q-hp9f-p4jv","MINI-9vp2-pc96-6fmx","MINI-c28q-vpx8-7grm","MINI-c3qq-96f4-qxjm","MINI-c3wj-f9cq-f266","MINI-c6p8-6qhf-p4gj","MINI-c7gm-2c6w-r3pq","MINI-c96j-ff8r-33p8","MINI-c9cq-cf74-hm6p","MINI-cc2q-6xhj-273q","MINI-ccm2-94vr-6rw2","MINI-ccr2-87m8-m2mw","MINI-cfm3-x6mh-7g9m","MINI-ch86-xjgw-pc6p","MINI-chj3-j2mj-cq7q","MINI-cm82-6wj2-6pm8","MINI-cmcr-h83x-m48f","MINI-cmw4-5f57-m235","MINI-cphh-3526-gp7h","MINI-cpr2-4wrp-wvq3","MINI-cw7r-8xpx-vrcf","MINI-cwxv-353f-3j2g","MINI-f297-cgcr-29j6","MINI-f2h8-242x-2c8c","MINI-f37q-q3gv-rvvq","MINI-f3pq-5vhq-v8pc","MINI-f45w-8rgj-q862","MINI-f46j-f25w-fqwm","MINI-f69m-3897-wj9q","MINI-f7c8-rw28-q5r9","MINI-ff9w-938m-grrv","MINI-ffph-rq3j-hhfw","MINI-fg4x-643v-jjm6","MINI-fgfr-wc72-h353","MINI-fjm3-79cw-hmrg","MINI-fjq6-ggw5-fpg9","MINI-fjx5-94v9-mppg","MINI-fmpw-g975-4r5w","MINI-fmvm-2545-vg26","MIN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JOSE library","requires_auth":"none","summary":"An attacker can cause a denial of service by sending a malformed JWE object with an empty encrypted key, triggering a panic in the Go JOSE library.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"go-jose","vendor":"go-jose_project"}],"cvss":{"score":7.5,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-131","name":"Incorrect Calculation of Buffer Size"},{"id":"CWE-248","name":"Uncaught Exception"}],"description":"Go JOSE provides an implementation of the Javascript Object Signing and Encryption set of standards in Go, including support for JSON Web Encryption (JWE), JSON Web Signature (JWS), and JSON Web Token (JWT) standards. Prior to 4.1.4 and 3.0.5, decrypting a JSON Web Encryption (JWE) object will panic if the alg field indicates a key wrapping algorithm (one ending in KW, with the exception of A128GCMKW, A192GCMKW, and A256GCMKW) and the encrypted_key field is empty. The panic happens when cipher.KeyUnwrap() in key_wrap.go attempts to allocate a slice with a zero or negative length based on the length of the encrypted_key. This code path is reachable from ParseEncrypted() / ParseEncryptedJSON() / ParseEncryptedCompact() followed by Decrypt() on the resulting object. Note that the parse functions take a list of accepted key algorithms. If the accepted key algorithms do not include any key wrapping algorithms, parsing will fail and the application will be unaffected. This panic is also reachable by calling cipher.KeyUnwrap() directly with any ciphertext parameter less than 16 bytes long, but calling this function directly is less common. Panics can lead to denial of service. This vulnerability is fixed in 4.1.4 and 3.0.5.","ecosystems":["AlmaLinux:9","Go","Red Hat:enterprise_linux:9::appstream","Red Hat:rhel_e4s:9.4::appstream","Rocky Linux:9","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":"Go JOSE affect by a panic in JWE decryption","id":"CVE-2026-34986","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Go","product":null,"products":[],"type":"denial_of_service","year":"2026"},"n_packages":55,"n_references":2,"next":{"headline":"Wasmtime with Winch compiler backend on aarch64 may allow a sandbox-escaping memory access","id":"CVE-2026-34987"},"packages":[{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":["2.6.3"],"package":"github.com/go-jose/go-jose","purl":null,"source":"GHSA-78h2-9frx-2jm8"},{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":["2.6.3"],"package":"github.com/go-jose/go-jose","purl":"pkg:golang/github.com/go-jose/go-jose","source":"GHSA-78h2-9frx-2jm8"},{"ecosystem":"Go","fixed":["3.0.5"],"introduced":["0"],"last_affected":[],"package":"github.com/go-jose/go-jose/v3","purl":null,"source":"GHSA-78h2-9frx-2jm8"},{"ecosystem":"Go","fixed":["3.0.5"],"introduced":["0"],"last_affected":[],"package":"github.com/go-jose/go-jose/v3","purl":"pkg:golang/github.com/go-jose/go-jose/v3","source":"GHSA-78h2-9frx-2jm8"},{"ecosystem":"Go","fixed":["3.0.5"],"introduced":["0"],"last_affected":[],"package":"github.com/go-jose/go-jose/v3","purl":"pkg:golang/github.com/go-jose/go-jose/v3","source":"GO-2026-4945"},{"ecosystem":"Go","fixed":["4.1.4"],"introduced":["0"],"last_affected":[],"package":"github.com/go-jose/go-jose/v4","purl":null,"source":"GHSA-78h2-9frx-2jm8"},{"ecosystem":"Go","fixed":["4.1.4"],"introduced":["0"],"last_affected":[],"package":"github.com/go-jose/go-jose/v4","purl":"pkg:golang/github.com/go-jose/go-jose/v4","source":"GHSA-78h2-9frx-2jm8"},{"ecosystem":"Go","fixed":["4.1.4"],"introduced":["0"],"last_affected":[],"package":"github.com/go-jose/go-jose/v4","purl":"pkg:golang/github.com/go-jose/go-jose/v4","source":"GO-2026-4945"},{"ecosystem":"AlmaLinux:9","fixed":["2:1.41.8-3.el9_7"],"introduced":["0"],"last_affected":[],"package":"buildah","purl":"pkg:rpm/almalinux/buildah","source":"ALSA-2026:10135"},{"ecosystem":"AlmaLinux:9","fixed":["2:1.43.1-1.el9_8"],"introduced":["0"],"last_affected":[],"package":"buildah","purl":"pkg:rpm/almalinux/buildah","source":"ALSA-2026:19186"},{"ecosystem":"AlmaLinux:9","fixed":["2:1.41.8-3.el9_7"],"introduced":["0"],"last_affected":[],"package":"buildah-tests","purl":"pkg:rpm/almalinux/buildah-tests","source":"ALSA-2026:10135"},{"ecosystem":"AlmaLinux:9","fixed":["2:1.43.1-1.el9_8"],"introduced":["0"],"last_affected":[],"package":"buildah-tests","purl":"pkg:rpm/almalinux/buildah-tests","source":"ALSA-2026:19186"},{"ecosystem":"AlmaLinux:9","fixed":["6:5.8.2-1.el9_8"],"introduced":["0"],"last_affected":[],"package":"podman","purl":"pkg:rpm/almalinux/podman","source":"ALSA-2026:19173"},{"ecosystem":"AlmaLinux:9","fixed":["6:5.8.2-1.el9_8"],"introduced":["0"],"last_affected":[],"package":"podman-docker","purl":"pkg:rpm/almalinux/podman-docker","source":"ALSA-2026:19173"},{"ecosystem":"AlmaLinux:9","fixed":["6:5.8.2-1.el9_8"],"introduced":["0"],"last_affected":[],"package":"podman-plugins","purl":"pkg:rpm/almalinux/podman-plugins","source":"ALSA-2026:19173"},{"ecosystem":"AlmaLinux:9","fixed":["6:5.8.2-1.el9_8"],"introduced":["0"],"last_affected":[],"package":"podman-remote","purl":"pkg:rpm/almalinux/podman-remote","source":"ALSA-2026:19173"},{"ecosystem":"AlmaLinux:9","fixed":["6:5.8.2-1.el9_8"],"introduced":["0"],"last_affected":[],"package":"podman-tests","purl":"pkg:rpm/almalinux/podman-tests","source":"ALSA-2026:19173"},{"ecosystem":"Red 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Hat:rhel_e4s:9.4::appstream","fixed":["0:101.3-4.el9_4.2"],"introduced":["0"],"last_affected":[],"package":"osbuild-composer","purl":"pkg:rpm/redhat/osbuild-composer","source":"RHSA-2026:32991"},{"ecosystem":"Red Hat:rhel_e4s:9.4::appstream","fixed":["0:101.3-4.el9_4.2"],"introduced":["0"],"last_affected":[],"package":"osbuild-composer-core","purl":"pkg:rpm/redhat/osbuild-composer-core","source":"RHSA-2026:32991"},{"ecosystem":"Red Hat:rhel_e4s:9.4::appstream","fixed":["0:101.3-4.el9_4.2"],"introduced":["0"],"last_affected":[],"package":"osbuild-composer-core-debuginfo","purl":"pkg:rpm/redhat/osbuild-composer-core-debuginfo","source":"RHSA-2026:32991"}],"prev":{"headline":"LORIS has incorrect access checks in media module","id":"CVE-2026-34985"},"products":["go-jose"],"published":"2026-04-06","related":[{"cvss_score":9.1,"headline":"Elliptic Curve Key Disclosure in go-jose","id":"CVE-2016-9121","kev_date_added":null,"published":"2017-03-28"},{"cvss_score":7.5,"headline":"Go JOSE Signature Validation Bypass","id":"CVE-2016-9122","kev_date_added":null,"published":"2017-03-28"},{"cvss_score":7.5,"headline":"Integer Overflow in go-jose","id":"CVE-2016-9123","kev_date_added":null,"published":"2017-03-28"}],"sources":[{"class":"attribution","licence":"MIT","name":"AlmaLinux","prefix":"ALSA"},{"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":"Red Hat","prefix":"RHSA"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"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":"2026-09-18","vendors":["go-jose"]},"summary":"An attacker can cause a denial of service by sending a malformed JWE object with an empty encrypted key, triggering a panic in the Go JOSE library.","url":"https://insights.sbomify.com/CVE-2026-34986/"}