CVE-2026-59639

In BC Java, CVE-2026-59639 affects Bouncy Castle for Java prior to 1.85, where CMS verifySignatures erroneously returns true for SignedData with zero signers. The issue also affects Java LTS prior to 2.73.12 and BC-FJA prior to bcpkix-fips 1.0.12 (1.0.x), 2.0.12 (2.0.x), and 2.1.12 (2.1.x). Impac...

CVE-2026-59639

In Bouncy Castle for Java before 1.85, CMS verifySignatures returns true for SignedData with zero signers. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpkix-fips 1.0.12 1.0.X series, 2.0.12 2.0.X series and 2.1.12 2.1.X series...

com.ascentstream.pulsar:bouncy-castle-bcfips (>=3.0.16.0, <=4.0.11.0), com.itextpdf:bouncy-castle-fips-adapter (>=9.0.0, <=9.5.0) +10 more potentially affected by CVE-2026-59639 via org.bouncycastle:bcpkix-fips (>=2.0.7, <=2.0.11)

org.bouncycastle:bcpkix-fips MAVEN version =2.0.7, =3.0.16.0, =9.0.0, =4.0.7.1, =4.0.7.1, =3.0.15, =26.0.0, =3.0.0-beta1, =3.0.0-beta1, =3.0.0-beta1, =3.0.0-beta1, =3.0.0 Source cves: CVE-2026-59639 Source advisory: MEND:CVE-2026-59639...

com.ascentstream.pulsar:bcfips-include-test (>=2.10.6.9, <=3.0.8.0-snapshot-16a7bcc), com.ascentstream.pulsar:bouncy-castle-bcfips (>=2.10.6.9, <=3.0.14.1) +20 more potentially affected by CVE-2026-59639 via org.bouncycastle:bcpkix-fips (>=1.0.1, <=1.0.8)

org.bouncycastle:bcpkix-fips MAVEN version =1.0.1, =2.10.6.9, =2.10.6.9, =2.1.2, =8.0.0, =1.2.0, =1.17.0, =1.17.0, =1.0.0, =1.0.0, =3.0.0-rc1, =3.0.0-rc6, =1.0.0, =1.0.1 - io.skuber:skuber-examples2.12 2.6.3 - io.skuber:skuber-examples2.13 2.6.3 and more Source cves: CVE-2026-59639 Source advisor...

EUVD-2026-52034

In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpg-fips 1.0.13 1.0.X series, 2.0.13 2.0.X series and 2.1.13 2.1.X series...

CVE-2026-59640 OpenPGP CFB quick-check oracle active on symmetric/session-key paths

In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpg-fips 1.0.13 1.0.X series, 2.0.13 2.0.X series and 2.1.13 2.1.X series...

org.opensearch:opensearch-plugin-cli (>=3.3.0, <=3.8.0), org.sonatype.nexus.api.extdirect:nexus-api-extdirect-common (>=3.81.0-08, <=3.88.0-08) +110 more potentially affected by CVE-2026-59640 via org.bouncycastle:bcpg-fips (2.1.11)

org.bouncycastle:bcpg-fips MAVEN version 2.1.11 is affected by a known vulnerability. The following packages have a transitive dependency on org.bouncycastle:bcpg-fips and may be impacted: - org.opensearch:opensearch-plugin-cli =3.3.0, =3.81.0-08, =3.81.0-08, =3.81.0-08, =3.81.0-08, =3.89.0-09,...

CVE-2026-59640 OpenPGP CFB quick-check oracle active on symmetric/session-key paths

In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpg-fips 1.0.13 1.0.X series, 2.0.13 2.0.X series and 2.1.13 2.1.X series...

co.elastic.apm:apm-agent-attach-cli (>=1.26.0, <=1.57.0), org.codelibs.fesen.tool:fesen-plugin-cli (>=0.10.0, <=0.16.0) +1 more potentially affected by CVE-2026-59640 via org.bouncycastle:bcpg-fips (>=1.0.4, <=1.0.7.1)

org.bouncycastle:bcpg-fips MAVEN version =1.0.4, =1.26.0, =0.10.0, =1.0.0, =2.16.0 Source cves: CVE-2026-59640 Source advisory: MEND:CVE-2026-59640...

CVE-2026-59640

In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpg-fips 1.0.13 1.0.X series, 2.0.13 2.0.X series and 2.1.13 2.1.X series...

org.opensearch:opensearch-plugin-cli (>=2.17.0, <=3.2.0) potentially affected by CVE-2026-59640 via org.bouncycastle:bcpg-fips (>=2.0.9, <=2.0.11)

org.bouncycastle:bcpg-fips MAVEN version =2.0.9, =2.17.0, =3.2.0 Source cves: CVE-2026-59640 Source advisory: MEND:CVE-2026-59640...

io.cloudslang.content:cs-mail (0.0.67) potentially affected by CVE-2026-59641 via org.bouncycastle:bcjmail-fips (2.0.5)

org.bouncycastle:bcjmail-fips MAVEN version 2.0.5 is affected by a known vulnerability. The following packages have a transitive dependency on org.bouncycastle:bcjmail-fips and may be impacted: - io.cloudslang.content:cs-mail 0.0.67 Source cves: CVE-2026-59641 Source advisory: MEND:CVE-2026-59641...

CVE-2026-59641

CVE-2026-59641 affects Bouncy Castle for Java: before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation; also affects Java LTS before 2.73.12 and Java FIPS (BC-FJA) before bcmail-fips and bcjmail-fips 1.0.7 (1.0.x), 2.0.7 (2.0.x), and 2.1.7 (2.1.x). CVSS v4.0 base scor...

CVE-2026-59641

In Bouncy Castle for Java before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcmail-fips and bcjmail-fips 1.0.7 1.0.X series, 2.0.7 2.0.X series and...

EUVD-2026-52033

In Bouncy Castle for Java before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcmail-fips and bcjmail-fips 1.0.7 1.0.X series, 2.0.7 2.0.X series and...

CVE-2026-59641

In Bouncy Castle for Java before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcmail-fips and bcjmail-fips 1.0.7 1.0.X series, 2.0.7 2.0.X series and...

CVE-2026-59641 S/MIME validator trusts signer-asserted signingTime for path validation

In Bouncy Castle for Java before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcmail-fips and bcjmail-fips 1.0.7 1.0.X series, 2.0.7 2.0.X series and...

CVE-2026-59642 CMS AuthenticatedData content not bound to MAC when authAttrs present

In Bouncy Castle for Java before 1.85, CMS AuthenticatedData content not bound to MAC when authAttrs present. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpkix-fips 1.0.12 1.0.X series, 2.0.12 2.0.X series and 2.1.12 2.1.X seri...

com.itextpdf:bouncy-castle-fips-adapter (>=9.6.0, <=9.7.1), com.pkixops:pkixops-crypto (1.5.2) +164 more potentially affected by CVE-2026-59642 via org.bouncycastle:bcpkix-fips (>=2.1.8, <=2.1.11)

org.bouncycastle:bcpkix-fips MAVEN version =2.1.8, =9.6.0, =2.5.2, =2.5.2, =3.6.5, =5.1.0, =1.192.0, =1.192.0, =1.192.0, =1.192.0, =1.192.0, =2.52.0 and more Source cves: CVE-2026-59642 Source advisory: MEND:CVE-2026-59642...

CVE-2026-59642 CMS AuthenticatedData content not bound to MAC when authAttrs present

In Bouncy Castle for Java before 1.85, CMS AuthenticatedData content not bound to MAC when authAttrs present. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpkix-fips 1.0.12 1.0.X series, 2.0.12 2.0.X series and 2.1.12 2.1.X seri...